Home / 8,217.98-12,325.82-2,671.40

Finding the Fourth Proportional to 8,217.98, 12,325.82 and 2,671.40

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Solution

The fourth proportional to 8,217.98, 12,325.82 and 2,671.40 is: 4,006.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.98 : 12,325.82 = 2,671.40 : x
  2. Step 2: Convert to fraction form
    8,217.98/12,325.82 = 2,671.40/x
  3. Step 3: Cross multiply
    8,217.98x = 12,325.82 × 2,671.40
  4. Step 4: Simplify right side
    8,217.98x = 32,927,195.55
  5. Step 5: Solve for x
    x = 32,927,195.55/8,217.98
  6. Step 6: Final answer
    x = 4,006.73

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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.