Home / 10,633.56-15,939.91-3,965.17

Finding the Fourth Proportional to 10,633.56, 15,939.91 and 3,965.17

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Solution

The fourth proportional to 10,633.56, 15,939.91 and 3,965.17 is: 5,943.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,633.56 : 15,939.91 = 3,965.17 : x
  2. Step 2: Convert to fraction form
    10,633.56/15,939.91 = 3,965.17/x
  3. Step 3: Cross multiply
    10,633.56x = 15,939.91 × 3,965.17
  4. Step 4: Simplify right side
    10,633.56x = 63,204,452.93
  5. Step 5: Solve for x
    x = 63,204,452.93/10,633.56
  6. Step 6: Final answer
    x = 5,943.87

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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.