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Finding the Fourth Proportional to 9,852.97, 14,755.42 and 5,176.89

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Solution

The fourth proportional to 9,852.97, 14,755.42 and 5,176.89 is: 7,752.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,852.97 : 14,755.42 = 5,176.89 : x
  2. Step 2: Convert to fraction form
    9,852.97/14,755.42 = 5,176.89/x
  3. Step 3: Cross multiply
    9,852.97x = 14,755.42 × 5,176.89
  4. Step 4: Simplify right side
    9,852.97x = 76,387,160.36
  5. Step 5: Solve for x
    x = 76,387,160.36/9,852.97
  6. Step 6: Final answer
    x = 7,752.71

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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.