USING CROSS PRODUCT RULE TO SOLVE PROBLEM WORKSHEET

Solve the proportions using the Cross Product Property.

Problem 1 :

23=x21

Solution

Problem 2 :

b8=5020

Solution

Problem 3 :

82.5=d0.5

Solution

Problem 4 :

35=21m

Solution

Problem 5 :

49=1x

Solution

Problem 6 :

89=30+a45

Solution

Problem 7 :

2615=10470-w

Solution

Problem 8 :

19=aa+24

Solution

Problem 9 :

2n=14n+30

Solution

Answer Key

1)  x = 14

2) b = 2

3)  d = 1.6

4) m = 35

5)  x = 2.25

6)  a = 10

7) w = 10

8)  a = 3

9)  n = 5

Problem 1 :

x5=x+29

Solution

Problem 2 :

n8=n-43

Solution

Problem 3 :

310=aa+2

Solution

Problem 4 :

x+19=x+22

Solution

Problem 5 :

v-5v+6=49

Solution

Problem 6 :

n+810=n-94

Solution

Problem 7 :

7x-1=4x-6

Solution

Problem 8 :

k+5k-6=85

Solution

Problem 9 :

x+55=6x-2

Solution

Problem 10 :

4x-3=x+55

Solution

Problem 11 :

m+34=11m-4

Solution

Problem 12 :

x-58=4x-1

Solution

Problem 13 :

2p+4=p+53

Solution

Problem 14 :

5n+1=n-410

Solution

Answer Key

1) x = 2.5

2) n = 6.4

3)  a = 6/7

4)  x = -16/7

5)  v = 13.8

6)  n = 61/3

7)  x = 38/3

8)  k = 73/3

9)  x = -8 or x = 5

10)  x = 5 or x = -7

11)  m = 8 or m = -7

12)  x = 9 or x = -3

13)  p = -2 or p = -7

14) n = 9 or n = -6

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