Home / 11,198.06-16,791.36-4,177.78

Finding the Fourth Proportional to 11,198.06, 16,791.36 and 4,177.78

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Solution

The fourth proportional to 11,198.06, 16,791.36 and 4,177.78 is: 6,264.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198.06 : 16,791.36 = 4,177.78 : x
  2. Step 2: Convert to fraction form
    11,198.06/16,791.36 = 4,177.78/x
  3. Step 3: Cross multiply
    11,198.06x = 16,791.36 × 4,177.78
  4. Step 4: Simplify right side
    11,198.06x = 70,150,607.98
  5. Step 5: Solve for x
    x = 70,150,607.98/11,198.06
  6. Step 6: Final answer
    x = 6,264.53

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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.