Home / 11,206.31-16,819.85-5,663.54

Finding the Fourth Proportional to 11,206.31, 16,819.85 and 5,663.54

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Solution

The fourth proportional to 11,206.31, 16,819.85 and 5,663.54 is: 8,500.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.31 : 16,819.85 = 5,663.54 : x
  2. Step 2: Convert to fraction form
    11,206.31/16,819.85 = 5,663.54/x
  3. Step 3: Cross multiply
    11,206.31x = 16,819.85 × 5,663.54
  4. Step 4: Simplify right side
    11,206.31x = 95,259,949.48
  5. Step 5: Solve for x
    x = 95,259,949.48/11,206.31
  6. Step 6: Final answer
    x = 8,500.57

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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.