Home / 10,342.14-15,500.82-3,764.74

Finding the Fourth Proportional to 10,342.14, 15,500.82 and 3,764.74

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Solution

The fourth proportional to 10,342.14, 15,500.82 and 3,764.74 is: 5,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.14 : 15,500.82 = 3,764.74 : x
  2. Step 2: Convert to fraction form
    10,342.14/15,500.82 = 3,764.74/x
  3. Step 3: Cross multiply
    10,342.14x = 15,500.82 × 3,764.74
  4. Step 4: Simplify right side
    10,342.14x = 58,356,557.09
  5. Step 5: Solve for x
    x = 58,356,557.09/10,342.14
  6. Step 6: Final answer
    x = 5,642.60

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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.