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Finding the Fourth Proportional to 11,665.61, 16,098.72 and 6,360.52

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Solution

The fourth proportional to 11,665.61, 16,098.72 and 6,360.52 is: 8,777.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,665.61 : 16,098.72 = 6,360.52 : x
  2. Step 2: Convert to fraction form
    11,665.61/16,098.72 = 6,360.52/x
  3. Step 3: Cross multiply
    11,665.61x = 16,098.72 × 6,360.52
  4. Step 4: Simplify right side
    11,665.61x = 102,396,118.24
  5. Step 5: Solve for x
    x = 102,396,118.24/11,665.61
  6. Step 6: Final answer
    x = 8,777.61

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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.