Home / 12,082.20-16,674.15-6,777.31

Finding the Fourth Proportional to 12,082.20, 16,674.15 and 6,777.31

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Solution

The fourth proportional to 12,082.20, 16,674.15 and 6,777.31 is: 9,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,082.20 : 16,674.15 = 6,777.31 : x
  2. Step 2: Convert to fraction form
    12,082.20/16,674.15 = 6,777.31/x
  3. Step 3: Cross multiply
    12,082.20x = 16,674.15 × 6,777.31
  4. Step 4: Simplify right side
    12,082.20x = 113,005,883.54
  5. Step 5: Solve for x
    x = 113,005,883.54/12,082.20
  6. Step 6: Final answer
    x = 9,353.09

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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.