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Solve the proportion. 3x / 10 = 9 / 4
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2 votes
Solve the proportion.
3x / 10 = 9 / 4

User SamT
by
4.3k points

1 Answer

3 votes

Answer:

x =7.5

Explanation:

We can use cross products to solve

3x / 10 = 9 / 4

3x*4 = 10*9

12x = 90

Divide each side by 12

12x/12 = 90/12

x =7.5

User Jeroen Flamman
by
5.0k points
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