Home / 10,343.38-15,511.97-3,768.03

Finding the Fourth Proportional to 10,343.38, 15,511.97 and 3,768.03

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Solution

The fourth proportional to 10,343.38, 15,511.97 and 3,768.03 is: 5,650.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.38 : 15,511.97 = 3,768.03 : x
  2. Step 2: Convert to fraction form
    10,343.38/15,511.97 = 3,768.03/x
  3. Step 3: Cross multiply
    10,343.38x = 15,511.97 × 3,768.03
  4. Step 4: Simplify right side
    10,343.38x = 58,449,490.76
  5. Step 5: Solve for x
    x = 58,449,490.76/10,343.38
  6. Step 6: Final answer
    x = 5,650.91

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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.