Home / 8,174.24-12,261.77-2,331.71

Finding the Fourth Proportional to 8,174.24, 12,261.77 and 2,331.71

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Solution

The fourth proportional to 8,174.24, 12,261.77 and 2,331.71 is: 3,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.24 : 12,261.77 = 2,331.71 : x
  2. Step 2: Convert to fraction form
    8,174.24/12,261.77 = 2,331.71/x
  3. Step 3: Cross multiply
    8,174.24x = 12,261.77 × 2,331.71
  4. Step 4: Simplify right side
    8,174.24x = 28,590,891.73
  5. Step 5: Solve for x
    x = 28,590,891.73/8,174.24
  6. Step 6: Final answer
    x = 3,497.68

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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.