Home / 8,236.24-12,354.90-3,305.24

Finding the Fourth Proportional to 8,236.24, 12,354.90 and 3,305.24

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Solution

The fourth proportional to 8,236.24, 12,354.90 and 3,305.24 is: 4,958.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.24 : 12,354.90 = 3,305.24 : x
  2. Step 2: Convert to fraction form
    8,236.24/12,354.90 = 3,305.24/x
  3. Step 3: Cross multiply
    8,236.24x = 12,354.90 × 3,305.24
  4. Step 4: Simplify right side
    8,236.24x = 40,835,847.90
  5. Step 5: Solve for x
    x = 40,835,847.90/8,236.24
  6. Step 6: Final answer
    x = 4,958.07

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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.