Home / 7,505.72-11,249.47-5,512.87

Finding the Fourth Proportional to 7,505.72, 11,249.47 and 5,512.87

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Solution

The fourth proportional to 7,505.72, 11,249.47 and 5,512.87 is: 8,262.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.72 : 11,249.47 = 5,512.87 : x
  2. Step 2: Convert to fraction form
    7,505.72/11,249.47 = 5,512.87/x
  3. Step 3: Cross multiply
    7,505.72x = 11,249.47 × 5,512.87
  4. Step 4: Simplify right side
    7,505.72x = 62,016,828.73
  5. Step 5: Solve for x
    x = 62,016,828.73/7,505.72
  6. Step 6: Final answer
    x = 8,262.61

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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.