Home / 11,278.06-16,917.46-3,882.44

Finding the Fourth Proportional to 11,278.06, 16,917.46 and 3,882.44

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Solution

The fourth proportional to 11,278.06, 16,917.46 and 3,882.44 is: 5,823.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.06 : 16,917.46 = 3,882.44 : x
  2. Step 2: Convert to fraction form
    11,278.06/16,917.46 = 3,882.44/x
  3. Step 3: Cross multiply
    11,278.06x = 16,917.46 × 3,882.44
  4. Step 4: Simplify right side
    11,278.06x = 65,681,023.40
  5. Step 5: Solve for x
    x = 65,681,023.40/11,278.06
  6. Step 6: Final answer
    x = 5,823.79

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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.