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Finding the Fourth Proportional to 8,008.92, 11,952.18 and 7,134.12

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Solution

The fourth proportional to 8,008.92, 11,952.18 and 7,134.12 is: 10,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.92 : 11,952.18 = 7,134.12 : x
  2. Step 2: Convert to fraction form
    8,008.92/11,952.18 = 7,134.12/x
  3. Step 3: Cross multiply
    8,008.92x = 11,952.18 × 7,134.12
  4. Step 4: Simplify right side
    8,008.92x = 85,268,286.38
  5. Step 5: Solve for x
    x = 85,268,286.38/8,008.92
  6. Step 6: Final answer
    x = 10,646.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.