Home / 10,822.20-16,235.10-4,248.60

Finding the Fourth Proportional to 10,822.20, 16,235.10 and 4,248.60

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Solution

The fourth proportional to 10,822.20, 16,235.10 and 4,248.60 is: 6,373.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.20 : 16,235.10 = 4,248.60 : x
  2. Step 2: Convert to fraction form
    10,822.20/16,235.10 = 4,248.60/x
  3. Step 3: Cross multiply
    10,822.20x = 16,235.10 × 4,248.60
  4. Step 4: Simplify right side
    10,822.20x = 68,976,445.86
  5. Step 5: Solve for x
    x = 68,976,445.86/10,822.20
  6. Step 6: Final answer
    x = 6,373.61

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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.