Home / 11,391.60-17,087.29-3,600.41

Finding the Fourth Proportional to 11,391.60, 17,087.29 and 3,600.41

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Solution

The fourth proportional to 11,391.60, 17,087.29 and 3,600.41 is: 5,400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.60 : 17,087.29 = 3,600.41 : x
  2. Step 2: Convert to fraction form
    11,391.60/17,087.29 = 3,600.41/x
  3. Step 3: Cross multiply
    11,391.60x = 17,087.29 × 3,600.41
  4. Step 4: Simplify right side
    11,391.60x = 61,521,249.79
  5. Step 5: Solve for x
    x = 61,521,249.79/11,391.60
  6. Step 6: Final answer
    x = 5,400.58

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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.