Home / 12,161.17-18,241.93-3,396.13

Finding the Fourth Proportional to 12,161.17, 18,241.93 and 3,396.13

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Solution

The fourth proportional to 12,161.17, 18,241.93 and 3,396.13 is: 5,094.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161.17 : 18,241.93 = 3,396.13 : x
  2. Step 2: Convert to fraction form
    12,161.17/18,241.93 = 3,396.13/x
  3. Step 3: Cross multiply
    12,161.17x = 18,241.93 × 3,396.13
  4. Step 4: Simplify right side
    12,161.17x = 61,951,965.73
  5. Step 5: Solve for x
    x = 61,951,965.73/12,161.17
  6. Step 6: Final answer
    x = 5,094.24

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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.