Home / 10,481.08-15,721.86-3,458.84

Finding the Fourth Proportional to 10,481.08, 15,721.86 and 3,458.84

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Solution

The fourth proportional to 10,481.08, 15,721.86 and 3,458.84 is: 5,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.08 : 15,721.86 = 3,458.84 : x
  2. Step 2: Convert to fraction form
    10,481.08/15,721.86 = 3,458.84/x
  3. Step 3: Cross multiply
    10,481.08x = 15,721.86 × 3,458.84
  4. Step 4: Simplify right side
    10,481.08x = 54,379,398.24
  5. Step 5: Solve for x
    x = 54,379,398.24/10,481.08
  6. Step 6: Final answer
    x = 5,188.34

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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.