Home / 10,246.46-15,359.42-3,997.87

Finding the Fourth Proportional to 10,246.46, 15,359.42 and 3,997.87

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Solution

The fourth proportional to 10,246.46, 15,359.42 and 3,997.87 is: 5,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,246.46 : 15,359.42 = 3,997.87 : x
  2. Step 2: Convert to fraction form
    10,246.46/15,359.42 = 3,997.87/x
  3. Step 3: Cross multiply
    10,246.46x = 15,359.42 × 3,997.87
  4. Step 4: Simplify right side
    10,246.46x = 61,404,921.04
  5. Step 5: Solve for x
    x = 61,404,921.04/10,246.46
  6. Step 6: Final answer
    x = 5,992.80

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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.