Home / 8,174.59-12,263.94-2,331.21

Finding the Fourth Proportional to 8,174.59, 12,263.94 and 2,331.21

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Solution

The fourth proportional to 8,174.59, 12,263.94 and 2,331.21 is: 3,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.59 : 12,263.94 = 2,331.21 : x
  2. Step 2: Convert to fraction form
    8,174.59/12,263.94 = 2,331.21/x
  3. Step 3: Cross multiply
    8,174.59x = 12,263.94 × 2,331.21
  4. Step 4: Simplify right side
    8,174.59x = 28,589,819.57
  5. Step 5: Solve for x
    x = 28,589,819.57/8,174.59
  6. Step 6: Final answer
    x = 3,497.40

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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.