Home / 8,234.24-12,350.78-2,687.46

Finding the Fourth Proportional to 8,234.24, 12,350.78 and 2,687.46

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Solution

The fourth proportional to 8,234.24, 12,350.78 and 2,687.46 is: 4,031.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.24 : 12,350.78 = 2,687.46 : x
  2. Step 2: Convert to fraction form
    8,234.24/12,350.78 = 2,687.46/x
  3. Step 3: Cross multiply
    8,234.24x = 12,350.78 × 2,687.46
  4. Step 4: Simplify right side
    8,234.24x = 33,192,177.54
  5. Step 5: Solve for x
    x = 33,192,177.54/8,234.24
  6. Step 6: Final answer
    x = 4,031.00

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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.