Home / 11,201.83-16,791.12-3,803.78

Finding the Fourth Proportional to 11,201.83, 16,791.12 and 3,803.78

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Solution

The fourth proportional to 11,201.83, 16,791.12 and 3,803.78 is: 5,701.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.83 : 16,791.12 = 3,803.78 : x
  2. Step 2: Convert to fraction form
    11,201.83/16,791.12 = 3,803.78/x
  3. Step 3: Cross multiply
    11,201.83x = 16,791.12 × 3,803.78
  4. Step 4: Simplify right side
    11,201.83x = 63,869,768.41
  5. Step 5: Solve for x
    x = 63,869,768.41/11,201.83
  6. Step 6: Final answer
    x = 5,701.73

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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.