Home / 10,764.15-16,147.16-2,972.97

Finding the Fourth Proportional to 10,764.15, 16,147.16 and 2,972.97

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Solution

The fourth proportional to 10,764.15, 16,147.16 and 2,972.97 is: 4,459.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,764.15 : 16,147.16 = 2,972.97 : x
  2. Step 2: Convert to fraction form
    10,764.15/16,147.16 = 2,972.97/x
  3. Step 3: Cross multiply
    10,764.15x = 16,147.16 × 2,972.97
  4. Step 4: Simplify right side
    10,764.15x = 48,005,022.27
  5. Step 5: Solve for x
    x = 48,005,022.27/10,764.15
  6. Step 6: Final answer
    x = 4,459.71

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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.