Home / 10,819.76-16,229.74-4,246.60

Finding the Fourth Proportional to 10,819.76, 16,229.74 and 4,246.60

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Solution

The fourth proportional to 10,819.76, 16,229.74 and 4,246.60 is: 6,369.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.76 : 16,229.74 = 4,246.60 : x
  2. Step 2: Convert to fraction form
    10,819.76/16,229.74 = 4,246.60/x
  3. Step 3: Cross multiply
    10,819.76x = 16,229.74 × 4,246.60
  4. Step 4: Simplify right side
    10,819.76x = 68,921,213.88
  5. Step 5: Solve for x
    x = 68,921,213.88/10,819.76
  6. Step 6: Final answer
    x = 6,369.94

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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.