Home / 11,224.66-15,489.30-6,188.61

Finding the Fourth Proportional to 11,224.66, 15,489.30 and 6,188.61

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Solution

The fourth proportional to 11,224.66, 15,489.30 and 6,188.61 is: 8,539.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.66 : 15,489.30 = 6,188.61 : x
  2. Step 2: Convert to fraction form
    11,224.66/15,489.30 = 6,188.61/x
  3. Step 3: Cross multiply
    11,224.66x = 15,489.30 × 6,188.61
  4. Step 4: Simplify right side
    11,224.66x = 95,857,236.87
  5. Step 5: Solve for x
    x = 95,857,236.87/11,224.66
  6. Step 6: Final answer
    x = 8,539.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.