Home / 8,502.28-12,750.94-3,306.92

Finding the Fourth Proportional to 8,502.28, 12,750.94 and 3,306.92

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Solution

The fourth proportional to 8,502.28, 12,750.94 and 3,306.92 is: 4,959.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.28 : 12,750.94 = 3,306.92 : x
  2. Step 2: Convert to fraction form
    8,502.28/12,750.94 = 3,306.92/x
  3. Step 3: Cross multiply
    8,502.28x = 12,750.94 × 3,306.92
  4. Step 4: Simplify right side
    8,502.28x = 42,166,338.50
  5. Step 5: Solve for x
    x = 42,166,338.50/8,502.28
  6. Step 6: Final answer
    x = 4,959.42

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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.