Home / 8,302.43-12,456.38-3,370.74

Finding the Fourth Proportional to 8,302.43, 12,456.38 and 3,370.74

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Solution

The fourth proportional to 8,302.43, 12,456.38 and 3,370.74 is: 5,057.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.43 : 12,456.38 = 3,370.74 : x
  2. Step 2: Convert to fraction form
    8,302.43/12,456.38 = 3,370.74/x
  3. Step 3: Cross multiply
    8,302.43x = 12,456.38 × 3,370.74
  4. Step 4: Simplify right side
    8,302.43x = 41,987,276.21
  5. Step 5: Solve for x
    x = 41,987,276.21/8,302.43
  6. Step 6: Final answer
    x = 5,057.23

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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.