Home / 8,209.28-12,296.46-4,301.84

Finding the Fourth Proportional to 8,209.28, 12,296.46 and 4,301.84

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Solution

The fourth proportional to 8,209.28, 12,296.46 and 4,301.84 is: 6,443.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.28 : 12,296.46 = 4,301.84 : x
  2. Step 2: Convert to fraction form
    8,209.28/12,296.46 = 4,301.84/x
  3. Step 3: Cross multiply
    8,209.28x = 12,296.46 × 4,301.84
  4. Step 4: Simplify right side
    8,209.28x = 52,897,403.49
  5. Step 5: Solve for x
    x = 52,897,403.49/8,209.28
  6. Step 6: Final answer
    x = 6,443.61

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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.