Home / 12,425.70-18,634.60-4,104.17

Finding the Fourth Proportional to 12,425.70, 18,634.60 and 4,104.17

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Solution

The fourth proportional to 12,425.70, 18,634.60 and 4,104.17 is: 6,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425.70 : 18,634.60 = 4,104.17 : x
  2. Step 2: Convert to fraction form
    12,425.70/18,634.60 = 4,104.17/x
  3. Step 3: Cross multiply
    12,425.70x = 18,634.60 × 4,104.17
  4. Step 4: Simplify right side
    12,425.70x = 76,479,566.28
  5. Step 5: Solve for x
    x = 76,479,566.28/12,425.70
  6. Step 6: Final answer
    x = 6,154.95

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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.