Home / 12,161.44-18,242.11-3,396.33

Finding the Fourth Proportional to 12,161.44, 18,242.11 and 3,396.33

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Solution

The fourth proportional to 12,161.44, 18,242.11 and 3,396.33 is: 5,094.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161.44 : 18,242.11 = 3,396.33 : x
  2. Step 2: Convert to fraction form
    12,161.44/18,242.11 = 3,396.33/x
  3. Step 3: Cross multiply
    12,161.44x = 18,242.11 × 3,396.33
  4. Step 4: Simplify right side
    12,161.44x = 61,956,229.70
  5. Step 5: Solve for x
    x = 61,956,229.70/12,161.44
  6. Step 6: Final answer
    x = 5,094.48

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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.