Home / 12,361.36-18,542.81-4,042.26

Finding the Fourth Proportional to 12,361.36, 18,542.81 and 4,042.26

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Solution

The fourth proportional to 12,361.36, 18,542.81 and 4,042.26 is: 6,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361.36 : 18,542.81 = 4,042.26 : x
  2. Step 2: Convert to fraction form
    12,361.36/18,542.81 = 4,042.26/x
  3. Step 3: Cross multiply
    12,361.36x = 18,542.81 × 4,042.26
  4. Step 4: Simplify right side
    12,361.36x = 74,954,859.15
  5. Step 5: Solve for x
    x = 74,954,859.15/12,361.36
  6. Step 6: Final answer
    x = 6,063.64

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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.