Home / 12,231.64-18,344.76-3,466.36

Finding the Fourth Proportional to 12,231.64, 18,344.76 and 3,466.36

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Solution

The fourth proportional to 12,231.64, 18,344.76 and 3,466.36 is: 5,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231.64 : 18,344.76 = 3,466.36 : x
  2. Step 2: Convert to fraction form
    12,231.64/18,344.76 = 3,466.36/x
  3. Step 3: Cross multiply
    12,231.64x = 18,344.76 × 3,466.36
  4. Step 4: Simplify right side
    12,231.64x = 63,589,542.27
  5. Step 5: Solve for x
    x = 63,589,542.27/12,231.64
  6. Step 6: Final answer
    x = 5,198.77

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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.