Home / 12,226.19-18,337.23-3,458.97

Finding the Fourth Proportional to 12,226.19, 18,337.23 and 3,458.97

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Solution

The fourth proportional to 12,226.19, 18,337.23 and 3,458.97 is: 5,187.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.19 : 18,337.23 = 3,458.97 : x
  2. Step 2: Convert to fraction form
    12,226.19/18,337.23 = 3,458.97/x
  3. Step 3: Cross multiply
    12,226.19x = 18,337.23 × 3,458.97
  4. Step 4: Simplify right side
    12,226.19x = 63,427,928.45
  5. Step 5: Solve for x
    x = 63,427,928.45/12,226.19
  6. Step 6: Final answer
    x = 5,187.88

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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.