Home / 11,121.44-16,682.20-3,224.43

Finding the Fourth Proportional to 11,121.44, 16,682.20 and 3,224.43

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Solution

The fourth proportional to 11,121.44, 16,682.20 and 3,224.43 is: 4,836.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.44 : 16,682.20 = 3,224.43 : x
  2. Step 2: Convert to fraction form
    11,121.44/16,682.20 = 3,224.43/x
  3. Step 3: Cross multiply
    11,121.44x = 16,682.20 × 3,224.43
  4. Step 4: Simplify right side
    11,121.44x = 53,790,578.08
  5. Step 5: Solve for x
    x = 53,790,578.08/11,121.44
  6. Step 6: Final answer
    x = 4,836.66

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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.