Home / 10,808.64-16,220.28-4,234.02

Finding the Fourth Proportional to 10,808.64, 16,220.28 and 4,234.02

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Solution

The fourth proportional to 10,808.64, 16,220.28 and 4,234.02 is: 6,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.64 : 16,220.28 = 4,234.02 : x
  2. Step 2: Convert to fraction form
    10,808.64/16,220.28 = 4,234.02/x
  3. Step 3: Cross multiply
    10,808.64x = 16,220.28 × 4,234.02
  4. Step 4: Simplify right side
    10,808.64x = 68,676,989.93
  5. Step 5: Solve for x
    x = 68,676,989.93/10,808.64
  6. Step 6: Final answer
    x = 6,353.90

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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.