Home / 12,716.24-19,074.36-3,951.68

Finding the Fourth Proportional to 12,716.24, 19,074.36 and 3,951.68

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Solution

The fourth proportional to 12,716.24, 19,074.36 and 3,951.68 is: 5,927.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.24 : 19,074.36 = 3,951.68 : x
  2. Step 2: Convert to fraction form
    12,716.24/19,074.36 = 3,951.68/x
  3. Step 3: Cross multiply
    12,716.24x = 19,074.36 × 3,951.68
  4. Step 4: Simplify right side
    12,716.24x = 75,375,766.92
  5. Step 5: Solve for x
    x = 75,375,766.92/12,716.24
  6. Step 6: Final answer
    x = 5,927.52

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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.