Home / 12,331.11-18,497.21-3,566.91

Finding the Fourth Proportional to 12,331.11, 18,497.21 and 3,566.91

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Solution

The fourth proportional to 12,331.11, 18,497.21 and 3,566.91 is: 5,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.11 : 18,497.21 = 3,566.91 : x
  2. Step 2: Convert to fraction form
    12,331.11/18,497.21 = 3,566.91/x
  3. Step 3: Cross multiply
    12,331.11x = 18,497.21 × 3,566.91
  4. Step 4: Simplify right side
    12,331.11x = 65,977,865.49
  5. Step 5: Solve for x
    x = 65,977,865.49/12,331.11
  6. Step 6: Final answer
    x = 5,350.52

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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.