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4 votes
What is the solution to the proportion 4/12=10/x

30


4.8


3.3


3

2 Answers

3 votes
Hi Brainiac 4/12 = 10/x Use cross multiply 4x = 120 Divide both sides by 4 4x/4 = 120/4 X = 30 The answer is A I hope that's help :)
User Jysohn
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7.4k points
4 votes
30, multiply 4 by 2.5 to get 10, then multiply 12 by 2.5 to get 30 (or x).
User Oleg Shaldybin
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6.8k points