Home / 8,175.26-12,257.43-3,243.58

Finding the Fourth Proportional to 8,175.26, 12,257.43 and 3,243.58

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Solution

The fourth proportional to 8,175.26, 12,257.43 and 3,243.58 is: 4,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.26 : 12,257.43 = 3,243.58 : x
  2. Step 2: Convert to fraction form
    8,175.26/12,257.43 = 3,243.58/x
  3. Step 3: Cross multiply
    8,175.26x = 12,257.43 × 3,243.58
  4. Step 4: Simplify right side
    8,175.26x = 39,757,911.99
  5. Step 5: Solve for x
    x = 39,757,911.99/8,175.26
  6. Step 6: Final answer
    x = 4,863.20

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1.5x scale

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.