Home / 11,843.72-17,765.57-3,523.85

Finding the Fourth Proportional to 11,843.72, 17,765.57 and 3,523.85

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Solution

The fourth proportional to 11,843.72, 17,765.57 and 3,523.85 is: 5,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,843.72 : 17,765.57 = 3,523.85 : x
  2. Step 2: Convert to fraction form
    11,843.72/17,765.57 = 3,523.85/x
  3. Step 3: Cross multiply
    11,843.72x = 17,765.57 × 3,523.85
  4. Step 4: Simplify right side
    11,843.72x = 62,603,203.84
  5. Step 5: Solve for x
    x = 62,603,203.84/11,843.72
  6. Step 6: Final answer
    x = 5,285.77

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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.