Home / 8,531.23-12,791.33-3,599.55

Finding the Fourth Proportional to 8,531.23, 12,791.33 and 3,599.55

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Solution

The fourth proportional to 8,531.23, 12,791.33 and 3,599.55 is: 5,397.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.23 : 12,791.33 = 3,599.55 : x
  2. Step 2: Convert to fraction form
    8,531.23/12,791.33 = 3,599.55/x
  3. Step 3: Cross multiply
    8,531.23x = 12,791.33 × 3,599.55
  4. Step 4: Simplify right side
    8,531.23x = 46,043,031.90
  5. Step 5: Solve for x
    x = 46,043,031.90/8,531.23
  6. Step 6: Final answer
    x = 5,397.00

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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.