Math, asked by OPROHAN, 17 days ago

The fourth proportion of the numbers 7, 28, and 4 is:​

Answers

Answered by supermicrons
1

Answer:

Answer: Let the fourth proportional to the numbers 4, 9, and 12 be x. Then from the definition of the fourth proportional, we must have:

4: 9 :: 12 : x or in terms of the fractions we can write;

4x = 9 × 12. In other words, we have x = {9 × 12}/4 = 27. Thus the correct option is D) 27

I explain you from another example

Answered by kingofself
0

Answer:

16

Step-by-step explanation:

7:28=4:x

1:4=4:x

1/4=4/x

x=4×4

x=16

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