Home / 11,862.87-17,788.26-3,962.54

Finding the Fourth Proportional to 11,862.87, 17,788.26 and 3,962.54

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Solution

The fourth proportional to 11,862.87, 17,788.26 and 3,962.54 is: 5,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.87 : 17,788.26 = 3,962.54 : x
  2. Step 2: Convert to fraction form
    11,862.87/17,788.26 = 3,962.54/x
  3. Step 3: Cross multiply
    11,862.87x = 17,788.26 × 3,962.54
  4. Step 4: Simplify right side
    11,862.87x = 70,486,691.78
  5. Step 5: Solve for x
    x = 70,486,691.78/11,862.87
  6. Step 6: Final answer
    x = 5,941.79

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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.