Home / 10,344.30-15,514.91-3,768.95

Finding the Fourth Proportional to 10,344.30, 15,514.91 and 3,768.95

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Solution

The fourth proportional to 10,344.30, 15,514.91 and 3,768.95 is: 5,652.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,344.30 : 15,514.91 = 3,768.95 : x
  2. Step 2: Convert to fraction form
    10,344.30/15,514.91 = 3,768.95/x
  3. Step 3: Cross multiply
    10,344.30x = 15,514.91 × 3,768.95
  4. Step 4: Simplify right side
    10,344.30x = 58,474,920.04
  5. Step 5: Solve for x
    x = 58,474,920.04/10,344.30
  6. Step 6: Final answer
    x = 5,652.86

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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.