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Finding the Fourth Proportional to 11,773.28, 16,251.39 and 7,795.68

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Solution

The fourth proportional to 11,773.28, 16,251.39 and 7,795.68 is: 10,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,773.28 : 16,251.39 = 7,795.68 : x
  2. Step 2: Convert to fraction form
    11,773.28/16,251.39 = 7,795.68/x
  3. Step 3: Cross multiply
    11,773.28x = 16,251.39 × 7,795.68
  4. Step 4: Simplify right side
    11,773.28x = 126,690,636.00
  5. Step 5: Solve for x
    x = 126,690,636.00/11,773.28
  6. Step 6: Final answer
    x = 10,760.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.