Home / 11,728.22-17,593.95-3,939.26

Finding the Fourth Proportional to 11,728.22, 17,593.95 and 3,939.26

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Solution

The fourth proportional to 11,728.22, 17,593.95 and 3,939.26 is: 5,909.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.22 : 17,593.95 = 3,939.26 : x
  2. Step 2: Convert to fraction form
    11,728.22/17,593.95 = 3,939.26/x
  3. Step 3: Cross multiply
    11,728.22x = 17,593.95 × 3,939.26
  4. Step 4: Simplify right side
    11,728.22x = 69,307,143.48
  5. Step 5: Solve for x
    x = 69,307,143.48/11,728.22
  6. Step 6: Final answer
    x = 5,909.43

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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.