Home / 12,251.36-18,377.04-3,486.27

Finding the Fourth Proportional to 12,251.36, 18,377.04 and 3,486.27

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Solution

The fourth proportional to 12,251.36, 18,377.04 and 3,486.27 is: 5,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.36 : 18,377.04 = 3,486.27 : x
  2. Step 2: Convert to fraction form
    12,251.36/18,377.04 = 3,486.27/x
  3. Step 3: Cross multiply
    12,251.36x = 18,377.04 × 3,486.27
  4. Step 4: Simplify right side
    12,251.36x = 64,067,222.64
  5. Step 5: Solve for x
    x = 64,067,222.64/12,251.36
  6. Step 6: Final answer
    x = 5,229.40

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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.