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Finding the Fourth Proportional to 10,951.62, 16,412.28 and 9,487.14

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Solution

The fourth proportional to 10,951.62, 16,412.28 and 9,487.14 is: 14,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.62 : 16,412.28 = 9,487.14 : x
  2. Step 2: Convert to fraction form
    10,951.62/16,412.28 = 9,487.14/x
  3. Step 3: Cross multiply
    10,951.62x = 16,412.28 × 9,487.14
  4. Step 4: Simplify right side
    10,951.62x = 155,705,598.08
  5. Step 5: Solve for x
    x = 155,705,598.08/10,951.62
  6. Step 6: Final answer
    x = 14,217.59

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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.