Home / 10,497.92-15,764.64-10,079.36

Finding the Fourth Proportional to 10,497.92, 15,764.64 and 10,079.36

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Solution

The fourth proportional to 10,497.92, 15,764.64 and 10,079.36 is: 15,136.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,497.92 : 15,764.64 = 10,079.36 : x
  2. Step 2: Convert to fraction form
    10,497.92/15,764.64 = 10,079.36/x
  3. Step 3: Cross multiply
    10,497.92x = 15,764.64 × 10,079.36
  4. Step 4: Simplify right side
    10,497.92x = 158,897,481.83
  5. Step 5: Solve for x
    x = 158,897,481.83/10,497.92
  6. Step 6: Final answer
    x = 15,136.09

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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.