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Finding the Fourth Proportional to 11,163.92, 16,734.96 and 6,235.92

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Solution

The fourth proportional to 11,163.92, 16,734.96 and 6,235.92 is: 9,347.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.92 : 16,734.96 = 6,235.92 : x
  2. Step 2: Convert to fraction form
    11,163.92/16,734.96 = 6,235.92/x
  3. Step 3: Cross multiply
    11,163.92x = 16,734.96 × 6,235.92
  4. Step 4: Simplify right side
    11,163.92x = 104,357,871.76
  5. Step 5: Solve for x
    x = 104,357,871.76/11,163.92
  6. Step 6: Final answer
    x = 9,347.78

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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.