Home / 12,361.68-18,542.39-3,001.82

Finding the Fourth Proportional to 12,361.68, 18,542.39 and 3,001.82

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Solution

The fourth proportional to 12,361.68, 18,542.39 and 3,001.82 is: 4,502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361.68 : 18,542.39 = 3,001.82 : x
  2. Step 2: Convert to fraction form
    12,361.68/18,542.39 = 3,001.82/x
  3. Step 3: Cross multiply
    12,361.68x = 18,542.39 × 3,001.82
  4. Step 4: Simplify right side
    12,361.68x = 55,660,809.43
  5. Step 5: Solve for x
    x = 55,660,809.43/12,361.68
  6. Step 6: Final answer
    x = 4,502.69

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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.