Home / 8,367.18-12,546.78-3,098.58

Finding the Fourth Proportional to 8,367.18, 12,546.78 and 3,098.58

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Solution

The fourth proportional to 8,367.18, 12,546.78 and 3,098.58 is: 4,646.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.18 : 12,546.78 = 3,098.58 : x
  2. Step 2: Convert to fraction form
    8,367.18/12,546.78 = 3,098.58/x
  3. Step 3: Cross multiply
    8,367.18x = 12,546.78 × 3,098.58
  4. Step 4: Simplify right side
    8,367.18x = 38,877,201.57
  5. Step 5: Solve for x
    x = 38,877,201.57/8,367.18
  6. Step 6: Final answer
    x = 4,646.39

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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.