Home / 8,634.22-12,951.33-3,440.14

Finding the Fourth Proportional to 8,634.22, 12,951.33 and 3,440.14

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Solution

The fourth proportional to 8,634.22, 12,951.33 and 3,440.14 is: 5,160.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.22 : 12,951.33 = 3,440.14 : x
  2. Step 2: Convert to fraction form
    8,634.22/12,951.33 = 3,440.14/x
  3. Step 3: Cross multiply
    8,634.22x = 12,951.33 × 3,440.14
  4. Step 4: Simplify right side
    8,634.22x = 44,554,388.39
  5. Step 5: Solve for x
    x = 44,554,388.39/8,634.22
  6. Step 6: Final answer
    x = 5,160.21

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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.