Home / 11,355.35-17,027.62-3,958.90

Finding the Fourth Proportional to 11,355.35, 17,027.62 and 3,958.90

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Solution

The fourth proportional to 11,355.35, 17,027.62 and 3,958.90 is: 5,936.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.35 : 17,027.62 = 3,958.90 : x
  2. Step 2: Convert to fraction form
    11,355.35/17,027.62 = 3,958.90/x
  3. Step 3: Cross multiply
    11,355.35x = 17,027.62 × 3,958.90
  4. Step 4: Simplify right side
    11,355.35x = 67,410,592.35
  5. Step 5: Solve for x
    x = 67,410,592.35/11,355.35
  6. Step 6: Final answer
    x = 5,936.46

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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.