Home / 8,614.17-12,921.31-3,067.73

Finding the Fourth Proportional to 8,614.17, 12,921.31 and 3,067.73

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Solution

The fourth proportional to 8,614.17, 12,921.31 and 3,067.73 is: 4,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614.17 : 12,921.31 = 3,067.73 : x
  2. Step 2: Convert to fraction form
    8,614.17/12,921.31 = 3,067.73/x
  3. Step 3: Cross multiply
    8,614.17x = 12,921.31 × 3,067.73
  4. Step 4: Simplify right side
    8,614.17x = 39,639,074.99
  5. Step 5: Solve for x
    x = 39,639,074.99/8,614.17
  6. Step 6: Final answer
    x = 4,601.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.