Home / 8,179.75-12,269.35-2,633.41

Finding the Fourth Proportional to 8,179.75, 12,269.35 and 2,633.41

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Solution

The fourth proportional to 8,179.75, 12,269.35 and 2,633.41 is: 3,950.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.75 : 12,269.35 = 2,633.41 : x
  2. Step 2: Convert to fraction form
    8,179.75/12,269.35 = 2,633.41/x
  3. Step 3: Cross multiply
    8,179.75x = 12,269.35 × 2,633.41
  4. Step 4: Simplify right side
    8,179.75x = 32,310,228.98
  5. Step 5: Solve for x
    x = 32,310,228.98/8,179.75
  6. Step 6: Final answer
    x = 3,950.03

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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.