Home / 11,242.22-16,871.76-4,229.15

Finding the Fourth Proportional to 11,242.22, 16,871.76 and 4,229.15

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Solution

The fourth proportional to 11,242.22, 16,871.76 and 4,229.15 is: 6,346.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.22 : 16,871.76 = 4,229.15 : x
  2. Step 2: Convert to fraction form
    11,242.22/16,871.76 = 4,229.15/x
  3. Step 3: Cross multiply
    11,242.22x = 16,871.76 × 4,229.15
  4. Step 4: Simplify right side
    11,242.22x = 71,353,119.45
  5. Step 5: Solve for x
    x = 71,353,119.45/11,242.22
  6. Step 6: Final answer
    x = 6,346.89

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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.