Home / 7,371.78-11,057.75-4,105.62

Finding the Fourth Proportional to 7,371.78, 11,057.75 and 4,105.62

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Solution

The fourth proportional to 7,371.78, 11,057.75 and 4,105.62 is: 6,158.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.78 : 11,057.75 = 4,105.62 : x
  2. Step 2: Convert to fraction form
    7,371.78/11,057.75 = 4,105.62/x
  3. Step 3: Cross multiply
    7,371.78x = 11,057.75 × 4,105.62
  4. Step 4: Simplify right side
    7,371.78x = 45,398,914.42
  5. Step 5: Solve for x
    x = 45,398,914.42/7,371.78
  6. Step 6: Final answer
    x = 6,158.48

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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.