Home / 11,245.08-16,869.24-3,454.56

Finding the Fourth Proportional to 11,245.08, 16,869.24 and 3,454.56

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Solution

The fourth proportional to 11,245.08, 16,869.24 and 3,454.56 is: 5,182.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.08 : 16,869.24 = 3,454.56 : x
  2. Step 2: Convert to fraction form
    11,245.08/16,869.24 = 3,454.56/x
  3. Step 3: Cross multiply
    11,245.08x = 16,869.24 × 3,454.56
  4. Step 4: Simplify right side
    11,245.08x = 58,275,801.73
  5. Step 5: Solve for x
    x = 58,275,801.73/11,245.08
  6. Step 6: Final answer
    x = 5,182.34

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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.