Home / 8,057.78-11,119.16-4,521.52

Finding the Fourth Proportional to 8,057.78, 11,119.16 and 4,521.52

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Solution

The fourth proportional to 8,057.78, 11,119.16 and 4,521.52 is: 6,239.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.78 : 11,119.16 = 4,521.52 : x
  2. Step 2: Convert to fraction form
    8,057.78/11,119.16 = 4,521.52/x
  3. Step 3: Cross multiply
    8,057.78x = 11,119.16 × 4,521.52
  4. Step 4: Simplify right side
    8,057.78x = 50,275,426.12
  5. Step 5: Solve for x
    x = 50,275,426.12/8,057.78
  6. Step 6: Final answer
    x = 6,239.37

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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.