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Solve the proportion below. 5/x = 30/72 a.12 b.9 c.6 d.30

2 Answers

7 votes

Hey there! :)

Answer:

x = 12.

Explanation:

Set the two proportions equal to each other:


(5)/(x) = (30)/(72)

Cross multiply to solve for x:

5 · 72 = 30 · x

360 = 30x

Divide both sides by 30:

360/30 = 30x/30

12 = x.

Therefore, the value of 'x' in this proportion is 12.

User Createbang
by
5.4k points
2 votes

Answer:

A. 12

Explanation:

Cross multiply:

30x = 72(5)

x = 360/30

x = 12

User Edwardr
by
4.9k points