Home / 12,183.94-18,261.15-5,161.24

Finding the Fourth Proportional to 12,183.94, 18,261.15 and 5,161.24

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Solution

The fourth proportional to 12,183.94, 18,261.15 and 5,161.24 is: 7,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.94 : 18,261.15 = 5,161.24 : x
  2. Step 2: Convert to fraction form
    12,183.94/18,261.15 = 5,161.24/x
  3. Step 3: Cross multiply
    12,183.94x = 18,261.15 × 5,161.24
  4. Step 4: Simplify right side
    12,183.94x = 94,250,177.83
  5. Step 5: Solve for x
    x = 94,250,177.83/12,183.94
  6. Step 6: Final answer
    x = 7,735.61

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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.