Home / 12,500.87-17,251.11-6,835.73

Finding the Fourth Proportional to 12,500.87, 17,251.11 and 6,835.73

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Solution

The fourth proportional to 12,500.87, 17,251.11 and 6,835.73 is: 9,433.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.87 : 17,251.11 = 6,835.73 : x
  2. Step 2: Convert to fraction form
    12,500.87/17,251.11 = 6,835.73/x
  3. Step 3: Cross multiply
    12,500.87x = 17,251.11 × 6,835.73
  4. Step 4: Simplify right side
    12,500.87x = 117,923,843.90
  5. Step 5: Solve for x
    x = 117,923,843.90/12,500.87
  6. Step 6: Final answer
    x = 9,433.25

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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.