Home / 10,481.82-15,719.39-3,460.52

Finding the Fourth Proportional to 10,481.82, 15,719.39 and 3,460.52

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Solution

The fourth proportional to 10,481.82, 15,719.39 and 3,460.52 is: 5,189.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.82 : 15,719.39 = 3,460.52 : x
  2. Step 2: Convert to fraction form
    10,481.82/15,719.39 = 3,460.52/x
  3. Step 3: Cross multiply
    10,481.82x = 15,719.39 × 3,460.52
  4. Step 4: Simplify right side
    10,481.82x = 54,397,294.13
  5. Step 5: Solve for x
    x = 54,397,294.13/10,481.82
  6. Step 6: Final answer
    x = 5,189.68

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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.