Home / 12,243.06-18,361.62-5,662.96

Finding the Fourth Proportional to 12,243.06, 18,361.62 and 5,662.96

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Solution

The fourth proportional to 12,243.06, 18,361.62 and 5,662.96 is: 8,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.06 : 18,361.62 = 5,662.96 : x
  2. Step 2: Convert to fraction form
    12,243.06/18,361.62 = 5,662.96/x
  3. Step 3: Cross multiply
    12,243.06x = 18,361.62 × 5,662.96
  4. Step 4: Simplify right side
    12,243.06x = 103,981,073.69
  5. Step 5: Solve for x
    x = 103,981,073.69/12,243.06
  6. Step 6: Final answer
    x = 8,493.06

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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.