Home / 11,213.44-16,822.28-4,198.43

Finding the Fourth Proportional to 11,213.44, 16,822.28 and 4,198.43

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Solution

The fourth proportional to 11,213.44, 16,822.28 and 4,198.43 is: 6,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.44 : 16,822.28 = 4,198.43 : x
  2. Step 2: Convert to fraction form
    11,213.44/16,822.28 = 4,198.43/x
  3. Step 3: Cross multiply
    11,213.44x = 16,822.28 × 4,198.43
  4. Step 4: Simplify right side
    11,213.44x = 70,627,217.57
  5. Step 5: Solve for x
    x = 70,627,217.57/11,213.44
  6. Step 6: Final answer
    x = 6,298.44

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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.