Home / 11,475.27-17,217.80-6,481.39

Finding the Fourth Proportional to 11,475.27, 17,217.80 and 6,481.39

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Solution

The fourth proportional to 11,475.27, 17,217.80 and 6,481.39 is: 9,724.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.27 : 17,217.80 = 6,481.39 : x
  2. Step 2: Convert to fraction form
    11,475.27/17,217.80 = 6,481.39/x
  3. Step 3: Cross multiply
    11,475.27x = 17,217.80 × 6,481.39
  4. Step 4: Simplify right side
    11,475.27x = 111,595,201.29
  5. Step 5: Solve for x
    x = 111,595,201.29/11,475.27
  6. Step 6: Final answer
    x = 9,724.84

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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.