Home / 12,160.74-18,241.18-3,395.73

Finding the Fourth Proportional to 12,160.74, 18,241.18 and 3,395.73

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Solution

The fourth proportional to 12,160.74, 18,241.18 and 3,395.73 is: 5,093.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160.74 : 18,241.18 = 3,395.73 : x
  2. Step 2: Convert to fraction form
    12,160.74/18,241.18 = 3,395.73/x
  3. Step 3: Cross multiply
    12,160.74x = 18,241.18 × 3,395.73
  4. Step 4: Simplify right side
    12,160.74x = 61,942,201.18
  5. Step 5: Solve for x
    x = 61,942,201.18/12,160.74
  6. Step 6: Final answer
    x = 5,093.62

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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.