Home / 8,731.46-12,049.69-6,183.79

Finding the Fourth Proportional to 8,731.46, 12,049.69 and 6,183.79

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Solution

The fourth proportional to 8,731.46, 12,049.69 and 6,183.79 is: 8,533.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.46 : 12,049.69 = 6,183.79 : x
  2. Step 2: Convert to fraction form
    8,731.46/12,049.69 = 6,183.79/x
  3. Step 3: Cross multiply
    8,731.46x = 12,049.69 × 6,183.79
  4. Step 4: Simplify right side
    8,731.46x = 74,512,692.67
  5. Step 5: Solve for x
    x = 74,512,692.67/8,731.46
  6. Step 6: Final answer
    x = 8,533.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.