Home / 11,745.62-17,618.55-3,954.44

Finding the Fourth Proportional to 11,745.62, 17,618.55 and 3,954.44

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Solution

The fourth proportional to 11,745.62, 17,618.55 and 3,954.44 is: 5,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.62 : 17,618.55 = 3,954.44 : x
  2. Step 2: Convert to fraction form
    11,745.62/17,618.55 = 3,954.44/x
  3. Step 3: Cross multiply
    11,745.62x = 17,618.55 × 3,954.44
  4. Step 4: Simplify right side
    11,745.62x = 69,671,498.86
  5. Step 5: Solve for x
    x = 69,671,498.86/11,745.62
  6. Step 6: Final answer
    x = 5,931.70

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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.