Home / 12,204.55-18,308.04-5,632.61

Finding the Fourth Proportional to 12,204.55, 18,308.04 and 5,632.61

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Solution

The fourth proportional to 12,204.55, 18,308.04 and 5,632.61 is: 8,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.55 : 18,308.04 = 5,632.61 : x
  2. Step 2: Convert to fraction form
    12,204.55/18,308.04 = 5,632.61/x
  3. Step 3: Cross multiply
    12,204.55x = 18,308.04 × 5,632.61
  4. Step 4: Simplify right side
    12,204.55x = 103,122,049.18
  5. Step 5: Solve for x
    x = 103,122,049.18/12,204.55
  6. Step 6: Final answer
    x = 8,449.48

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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.