Home / 8,759.92-12,088.73-4,781.13

Finding the Fourth Proportional to 8,759.92, 12,088.73 and 4,781.13

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Solution

The fourth proportional to 8,759.92, 12,088.73 and 4,781.13 is: 6,597.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.92 : 12,088.73 = 4,781.13 : x
  2. Step 2: Convert to fraction form
    8,759.92/12,088.73 = 4,781.13/x
  3. Step 3: Cross multiply
    8,759.92x = 12,088.73 × 4,781.13
  4. Step 4: Simplify right side
    8,759.92x = 57,797,789.66
  5. Step 5: Solve for x
    x = 57,797,789.66/8,759.92
  6. Step 6: Final answer
    x = 6,597.98

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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.