Home / 6,866.31-9,475.11-3,882.77

Finding the Fourth Proportional to 6,866.31, 9,475.11 and 3,882.77

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Solution

The fourth proportional to 6,866.31, 9,475.11 and 3,882.77 is: 5,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.31 : 9,475.11 = 3,882.77 : x
  2. Step 2: Convert to fraction form
    6,866.31/9,475.11 = 3,882.77/x
  3. Step 3: Cross multiply
    6,866.31x = 9,475.11 × 3,882.77
  4. Step 4: Simplify right side
    6,866.31x = 36,789,672.85
  5. Step 5: Solve for x
    x = 36,789,672.85/6,866.31
  6. Step 6: Final answer
    x = 5,358.00

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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.