Home / 11,965.76-17,948.68-4,174.56

Finding the Fourth Proportional to 11,965.76, 17,948.68 and 4,174.56

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Solution

The fourth proportional to 11,965.76, 17,948.68 and 4,174.56 is: 6,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.76 : 17,948.68 = 4,174.56 : x
  2. Step 2: Convert to fraction form
    11,965.76/17,948.68 = 4,174.56/x
  3. Step 3: Cross multiply
    11,965.76x = 17,948.68 × 4,174.56
  4. Step 4: Simplify right side
    11,965.76x = 74,927,841.58
  5. Step 5: Solve for x
    x = 74,927,841.58/11,965.76
  6. Step 6: Final answer
    x = 6,261.85

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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.