Home / 8,176.39-12,266.40-2,982.25

Finding the Fourth Proportional to 8,176.39, 12,266.40 and 2,982.25

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Solution

The fourth proportional to 8,176.39, 12,266.40 and 2,982.25 is: 4,474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.39 : 12,266.40 = 2,982.25 : x
  2. Step 2: Convert to fraction form
    8,176.39/12,266.40 = 2,982.25/x
  3. Step 3: Cross multiply
    8,176.39x = 12,266.40 × 2,982.25
  4. Step 4: Simplify right side
    8,176.39x = 36,581,471.40
  5. Step 5: Solve for x
    x = 36,581,471.40/8,176.39
  6. Step 6: Final answer
    x = 4,474.04

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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.