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Finding the Fourth Proportional to 8,650.08, 12,974.88 and 6,997.92

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Solution

The fourth proportional to 8,650.08, 12,974.88 and 6,997.92 is: 10,496.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.08 : 12,974.88 = 6,997.92 : x
  2. Step 2: Convert to fraction form
    8,650.08/12,974.88 = 6,997.92/x
  3. Step 3: Cross multiply
    8,650.08x = 12,974.88 × 6,997.92
  4. Step 4: Simplify right side
    8,650.08x = 90,797,172.25
  5. Step 5: Solve for x
    x = 90,797,172.25/8,650.08
  6. Step 6: Final answer
    x = 10,496.69

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Double scale
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Similar ratio
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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.