Home / 8,488.74-11,713.91-4,711.73

Finding the Fourth Proportional to 8,488.74, 11,713.91 and 4,711.73

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Solution

The fourth proportional to 8,488.74, 11,713.91 and 4,711.73 is: 6,501.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.74 : 11,713.91 = 4,711.73 : x
  2. Step 2: Convert to fraction form
    8,488.74/11,713.91 = 4,711.73/x
  3. Step 3: Cross multiply
    8,488.74x = 11,713.91 × 4,711.73
  4. Step 4: Simplify right side
    8,488.74x = 55,192,778.30
  5. Step 5: Solve for x
    x = 55,192,778.30/8,488.74
  6. Step 6: Final answer
    x = 6,501.88

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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.