Home / 8,177.92-11,285.18-4,641.32

Finding the Fourth Proportional to 8,177.92, 11,285.18 and 4,641.32

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Solution

The fourth proportional to 8,177.92, 11,285.18 and 4,641.32 is: 6,404.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.92 : 11,285.18 = 4,641.32 : x
  2. Step 2: Convert to fraction form
    8,177.92/11,285.18 = 4,641.32/x
  3. Step 3: Cross multiply
    8,177.92x = 11,285.18 × 4,641.32
  4. Step 4: Simplify right side
    8,177.92x = 52,378,131.64
  5. Step 5: Solve for x
    x = 52,378,131.64/8,177.92
  6. Step 6: Final answer
    x = 6,404.82

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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.