Home / 10,234.26-15,353.12-3,212.91

Finding the Fourth Proportional to 10,234.26, 15,353.12 and 3,212.91

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Solution

The fourth proportional to 10,234.26, 15,353.12 and 3,212.91 is: 4,819.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,234.26 : 15,353.12 = 3,212.91 : x
  2. Step 2: Convert to fraction form
    10,234.26/15,353.12 = 3,212.91/x
  3. Step 3: Cross multiply
    10,234.26x = 15,353.12 × 3,212.91
  4. Step 4: Simplify right side
    10,234.26x = 49,328,176.71
  5. Step 5: Solve for x
    x = 49,328,176.71/10,234.26
  6. Step 6: Final answer
    x = 4,819.91

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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.