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Finding the Fourth Proportional to 11,123.65, 15,350.17 and 6,087.74

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Solution

The fourth proportional to 11,123.65, 15,350.17 and 6,087.74 is: 8,400.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123.65 : 15,350.17 = 6,087.74 : x
  2. Step 2: Convert to fraction form
    11,123.65/15,350.17 = 6,087.74/x
  3. Step 3: Cross multiply
    11,123.65x = 15,350.17 × 6,087.74
  4. Step 4: Simplify right side
    11,123.65x = 93,447,843.92
  5. Step 5: Solve for x
    x = 93,447,843.92/11,123.65
  6. Step 6: Final answer
    x = 8,400.83

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Half scale
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Double scale
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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.