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Finding the Fourth Proportional to 11,850.57, 16,353.87 and 6,472.87

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Solution

The fourth proportional to 11,850.57, 16,353.87 and 6,472.87 is: 8,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.57 : 16,353.87 = 6,472.87 : x
  2. Step 2: Convert to fraction form
    11,850.57/16,353.87 = 6,472.87/x
  3. Step 3: Cross multiply
    11,850.57x = 16,353.87 × 6,472.87
  4. Step 4: Simplify right side
    11,850.57x = 105,856,474.51
  5. Step 5: Solve for x
    x = 105,856,474.51/11,850.57
  6. Step 6: Final answer
    x = 8,932.61

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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.