Home / 6,857.28-9,462.79-3,832.56

Finding the Fourth Proportional to 6,857.28, 9,462.79 and 3,832.56

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Solution

The fourth proportional to 6,857.28, 9,462.79 and 3,832.56 is: 5,288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.28 : 9,462.79 = 3,832.56 : x
  2. Step 2: Convert to fraction form
    6,857.28/9,462.79 = 3,832.56/x
  3. Step 3: Cross multiply
    6,857.28x = 9,462.79 × 3,832.56
  4. Step 4: Simplify right side
    6,857.28x = 36,266,710.44
  5. Step 5: Solve for x
    x = 36,266,710.44/6,857.28
  6. Step 6: Final answer
    x = 5,288.79

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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.