Home / 12,016.82-18,028.11-5,441.24

Finding the Fourth Proportional to 12,016.82, 18,028.11 and 5,441.24

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Solution

The fourth proportional to 12,016.82, 18,028.11 and 5,441.24 is: 8,163.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.82 : 18,028.11 = 5,441.24 : x
  2. Step 2: Convert to fraction form
    12,016.82/18,028.11 = 5,441.24/x
  3. Step 3: Cross multiply
    12,016.82x = 18,028.11 × 5,441.24
  4. Step 4: Simplify right side
    12,016.82x = 98,095,273.26
  5. Step 5: Solve for x
    x = 98,095,273.26/12,016.82
  6. Step 6: Final answer
    x = 8,163.16

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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.