Home / 7,764.52-11,631.52-5,123.97

Finding the Fourth Proportional to 7,764.52, 11,631.52 and 5,123.97

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Solution

The fourth proportional to 7,764.52, 11,631.52 and 5,123.97 is: 7,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.52 : 11,631.52 = 5,123.97 : x
  2. Step 2: Convert to fraction form
    7,764.52/11,631.52 = 5,123.97/x
  3. Step 3: Cross multiply
    7,764.52x = 11,631.52 × 5,123.97
  4. Step 4: Simplify right side
    7,764.52x = 59,599,559.53
  5. Step 5: Solve for x
    x = 59,599,559.53/7,764.52
  6. Step 6: Final answer
    x = 7,675.88

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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.