Home / 7,514.24-11,247.78-5,160.48

Finding the Fourth Proportional to 7,514.24, 11,247.78 and 5,160.48

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Solution

The fourth proportional to 7,514.24, 11,247.78 and 5,160.48 is: 7,724.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.24 : 11,247.78 = 5,160.48 : x
  2. Step 2: Convert to fraction form
    7,514.24/11,247.78 = 5,160.48/x
  3. Step 3: Cross multiply
    7,514.24x = 11,247.78 × 5,160.48
  4. Step 4: Simplify right side
    7,514.24x = 58,043,943.73
  5. Step 5: Solve for x
    x = 58,043,943.73/7,514.24
  6. Step 6: Final answer
    x = 7,724.53

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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.