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Finding the Fourth Proportional to 11,140.97, 16,711.47 and 4,565.97

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Solution

The fourth proportional to 11,140.97, 16,711.47 and 4,565.97 is: 6,848.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.97 : 16,711.47 = 4,565.97 : x
  2. Step 2: Convert to fraction form
    11,140.97/16,711.47 = 4,565.97/x
  3. Step 3: Cross multiply
    11,140.97x = 16,711.47 × 4,565.97
  4. Step 4: Simplify right side
    11,140.97x = 76,304,070.68
  5. Step 5: Solve for x
    x = 76,304,070.68/11,140.97
  6. Step 6: Final answer
    x = 6,848.96

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Double scale
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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.