Home / 11,965.91-17,948.97-4,174.74

Finding the Fourth Proportional to 11,965.91, 17,948.97 and 4,174.74

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Solution

The fourth proportional to 11,965.91, 17,948.97 and 4,174.74 is: 6,262.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.91 : 17,948.97 = 4,174.74 : x
  2. Step 2: Convert to fraction form
    11,965.91/17,948.97 = 4,174.74/x
  3. Step 3: Cross multiply
    11,965.91x = 17,948.97 × 4,174.74
  4. Step 4: Simplify right side
    11,965.91x = 74,932,283.02
  5. Step 5: Solve for x
    x = 74,932,283.02/11,965.91
  6. Step 6: Final answer
    x = 6,262.15

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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.