Home / 10,822.92-16,234.83-3,427.21

Finding the Fourth Proportional to 10,822.92, 16,234.83 and 3,427.21

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Solution

The fourth proportional to 10,822.92, 16,234.83 and 3,427.21 is: 5,140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.92 : 16,234.83 = 3,427.21 : x
  2. Step 2: Convert to fraction form
    10,822.92/16,234.83 = 3,427.21/x
  3. Step 3: Cross multiply
    10,822.92x = 16,234.83 × 3,427.21
  4. Step 4: Simplify right side
    10,822.92x = 55,640,192.02
  5. Step 5: Solve for x
    x = 55,640,192.02/10,822.92
  6. Step 6: Final answer
    x = 5,140.96

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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.