Home / 12,107.41-18,161.21-3,342.13

Finding the Fourth Proportional to 12,107.41, 18,161.21 and 3,342.13

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Solution

The fourth proportional to 12,107.41, 18,161.21 and 3,342.13 is: 5,013.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,107.41 : 18,161.21 = 3,342.13 : x
  2. Step 2: Convert to fraction form
    12,107.41/18,161.21 = 3,342.13/x
  3. Step 3: Cross multiply
    12,107.41x = 18,161.21 × 3,342.13
  4. Step 4: Simplify right side
    12,107.41x = 60,697,124.78
  5. Step 5: Solve for x
    x = 60,697,124.78/12,107.41
  6. Step 6: Final answer
    x = 5,013.22

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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.