Home / 12,104.15-18,161.39-5,868.77

Finding the Fourth Proportional to 12,104.15, 18,161.39 and 5,868.77

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Solution

The fourth proportional to 12,104.15, 18,161.39 and 5,868.77 is: 8,805.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104.15 : 18,161.39 = 5,868.77 : x
  2. Step 2: Convert to fraction form
    12,104.15/18,161.39 = 5,868.77/x
  3. Step 3: Cross multiply
    12,104.15x = 18,161.39 × 5,868.77
  4. Step 4: Simplify right side
    12,104.15x = 106,585,020.79
  5. Step 5: Solve for x
    x = 106,585,020.79/12,104.15
  6. Step 6: Final answer
    x = 8,805.66

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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.