Home / 11,481.05-17,212.26-4,081.43

Finding the Fourth Proportional to 11,481.05, 17,212.26 and 4,081.43

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Solution

The fourth proportional to 11,481.05, 17,212.26 and 4,081.43 is: 6,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481.05 : 17,212.26 = 4,081.43 : x
  2. Step 2: Convert to fraction form
    11,481.05/17,212.26 = 4,081.43/x
  3. Step 3: Cross multiply
    11,481.05x = 17,212.26 × 4,081.43
  4. Step 4: Simplify right side
    11,481.05x = 70,250,634.33
  5. Step 5: Solve for x
    x = 70,250,634.33/11,481.05
  6. Step 6: Final answer
    x = 6,118.83

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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.