Home / 12,107.08-18,161.56-3,341.92

Finding the Fourth Proportional to 12,107.08, 18,161.56 and 3,341.92

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Solution

The fourth proportional to 12,107.08, 18,161.56 and 3,341.92 is: 5,013.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,107.08 : 18,161.56 = 3,341.92 : x
  2. Step 2: Convert to fraction form
    12,107.08/18,161.56 = 3,341.92/x
  3. Step 3: Cross multiply
    12,107.08x = 18,161.56 × 3,341.92
  4. Step 4: Simplify right side
    12,107.08x = 60,694,480.60
  5. Step 5: Solve for x
    x = 60,694,480.60/12,107.08
  6. Step 6: Final answer
    x = 5,013.14

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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.