Home / 11,027.60-16,546.20-5,181.20

Finding the Fourth Proportional to 11,027.60, 16,546.20 and 5,181.20

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Solution

The fourth proportional to 11,027.60, 16,546.20 and 5,181.20 is: 7,774.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.60 : 16,546.20 = 5,181.20 : x
  2. Step 2: Convert to fraction form
    11,027.60/16,546.20 = 5,181.20/x
  3. Step 3: Cross multiply
    11,027.60x = 16,546.20 × 5,181.20
  4. Step 4: Simplify right side
    11,027.60x = 85,729,171.44
  5. Step 5: Solve for x
    x = 85,729,171.44/11,027.60
  6. Step 6: Final answer
    x = 7,774.06

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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.