Home / 9,170.47-13,755.71-5,008.20

Finding the Fourth Proportional to 9,170.47, 13,755.71 and 5,008.20

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Solution

The fourth proportional to 9,170.47, 13,755.71 and 5,008.20 is: 7,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.47 : 13,755.71 = 5,008.20 : x
  2. Step 2: Convert to fraction form
    9,170.47/13,755.71 = 5,008.20/x
  3. Step 3: Cross multiply
    9,170.47x = 13,755.71 × 5,008.20
  4. Step 4: Simplify right side
    9,170.47x = 68,891,321.78
  5. Step 5: Solve for x
    x = 68,891,321.78/9,170.47
  6. Step 6: Final answer
    x = 7,512.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.