Home / 12,016.28-18,022.10-3,694.08

Finding the Fourth Proportional to 12,016.28, 18,022.10 and 3,694.08

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Solution

The fourth proportional to 12,016.28, 18,022.10 and 3,694.08 is: 5,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.28 : 18,022.10 = 3,694.08 : x
  2. Step 2: Convert to fraction form
    12,016.28/18,022.10 = 3,694.08/x
  3. Step 3: Cross multiply
    12,016.28x = 18,022.10 × 3,694.08
  4. Step 4: Simplify right side
    12,016.28x = 66,575,079.17
  5. Step 5: Solve for x
    x = 66,575,079.17/12,016.28
  6. Step 6: Final answer
    x = 5,540.41

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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.