Home / 11,825.13-17,737.63-3,505.20

Finding the Fourth Proportional to 11,825.13, 17,737.63 and 3,505.20

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Solution

The fourth proportional to 11,825.13, 17,737.63 and 3,505.20 is: 5,257.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.13 : 17,737.63 = 3,505.20 : x
  2. Step 2: Convert to fraction form
    11,825.13/17,737.63 = 3,505.20/x
  3. Step 3: Cross multiply
    11,825.13x = 17,737.63 × 3,505.20
  4. Step 4: Simplify right side
    11,825.13x = 62,173,940.68
  5. Step 5: Solve for x
    x = 62,173,940.68/11,825.13
  6. Step 6: Final answer
    x = 5,257.78

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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.