Home / 10,481.03-15,718.21-3,459.73

Finding the Fourth Proportional to 10,481.03, 15,718.21 and 3,459.73

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Solution

The fourth proportional to 10,481.03, 15,718.21 and 3,459.73 is: 5,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.03 : 15,718.21 = 3,459.73 : x
  2. Step 2: Convert to fraction form
    10,481.03/15,718.21 = 3,459.73/x
  3. Step 3: Cross multiply
    10,481.03x = 15,718.21 × 3,459.73
  4. Step 4: Simplify right side
    10,481.03x = 54,380,762.68
  5. Step 5: Solve for x
    x = 54,380,762.68/10,481.03
  6. Step 6: Final answer
    x = 5,188.49

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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.