Home / 8,057.28-11,119.14-4,472.29

Finding the Fourth Proportional to 8,057.28, 11,119.14 and 4,472.29

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Solution

The fourth proportional to 8,057.28, 11,119.14 and 4,472.29 is: 6,171.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.28 : 11,119.14 = 4,472.29 : x
  2. Step 2: Convert to fraction form
    8,057.28/11,119.14 = 4,472.29/x
  3. Step 3: Cross multiply
    8,057.28x = 11,119.14 × 4,472.29
  4. Step 4: Simplify right side
    8,057.28x = 49,728,018.63
  5. Step 5: Solve for x
    x = 49,728,018.63/8,057.28
  6. Step 6: Final answer
    x = 6,171.81

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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.