Home / 8,231.24-12,348.83-2,684.59

Finding the Fourth Proportional to 8,231.24, 12,348.83 and 2,684.59

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Solution

The fourth proportional to 8,231.24, 12,348.83 and 2,684.59 is: 4,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.24 : 12,348.83 = 2,684.59 : x
  2. Step 2: Convert to fraction form
    8,231.24/12,348.83 = 2,684.59/x
  3. Step 3: Cross multiply
    8,231.24x = 12,348.83 × 2,684.59
  4. Step 4: Simplify right side
    8,231.24x = 33,151,576.40
  5. Step 5: Solve for x
    x = 33,151,576.40/8,231.24
  6. Step 6: Final answer
    x = 4,027.53

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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.