Home / 8,546.12-12,821.25-4,162.58

Finding the Fourth Proportional to 8,546.12, 12,821.25 and 4,162.58

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Solution

The fourth proportional to 8,546.12, 12,821.25 and 4,162.58 is: 6,244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,546.12 : 12,821.25 = 4,162.58 : x
  2. Step 2: Convert to fraction form
    8,546.12/12,821.25 = 4,162.58/x
  3. Step 3: Cross multiply
    8,546.12x = 12,821.25 × 4,162.58
  4. Step 4: Simplify right side
    8,546.12x = 53,369,414.72
  5. Step 5: Solve for x
    x = 53,369,414.72/8,546.12
  6. Step 6: Final answer
    x = 6,244.87

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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.