Home / 8,531.18-12,791.26-3,599.49

Finding the Fourth Proportional to 8,531.18, 12,791.26 and 3,599.49

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Solution

The fourth proportional to 8,531.18, 12,791.26 and 3,599.49 is: 5,396.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.18 : 12,791.26 = 3,599.49 : x
  2. Step 2: Convert to fraction form
    8,531.18/12,791.26 = 3,599.49/x
  3. Step 3: Cross multiply
    8,531.18x = 12,791.26 × 3,599.49
  4. Step 4: Simplify right side
    8,531.18x = 46,042,012.46
  5. Step 5: Solve for x
    x = 46,042,012.46/8,531.18
  6. Step 6: Final answer
    x = 5,396.91

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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.