Home / 11,964.61-17,949.48-3,645.29

Finding the Fourth Proportional to 11,964.61, 17,949.48 and 3,645.29

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Solution

The fourth proportional to 11,964.61, 17,949.48 and 3,645.29 is: 5,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.61 : 17,949.48 = 3,645.29 : x
  2. Step 2: Convert to fraction form
    11,964.61/17,949.48 = 3,645.29/x
  3. Step 3: Cross multiply
    11,964.61x = 17,949.48 × 3,645.29
  4. Step 4: Simplify right side
    11,964.61x = 65,431,121.52
  5. Step 5: Solve for x
    x = 65,431,121.52/11,964.61
  6. Step 6: Final answer
    x = 5,468.72

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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.