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Finding the Fourth Proportional to 11,640.92, 16,064.46 and 6,335.77

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Solution

The fourth proportional to 11,640.92, 16,064.46 and 6,335.77 is: 8,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.92 : 16,064.46 = 6,335.77 : x
  2. Step 2: Convert to fraction form
    11,640.92/16,064.46 = 6,335.77/x
  3. Step 3: Cross multiply
    11,640.92x = 16,064.46 × 6,335.77
  4. Step 4: Simplify right side
    11,640.92x = 101,780,725.57
  5. Step 5: Solve for x
    x = 101,780,725.57/11,640.92
  6. Step 6: Final answer
    x = 8,743.36

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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.