Home / 8,150.96-12,232.55-3,771.50

Finding the Fourth Proportional to 8,150.96, 12,232.55 and 3,771.50

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Solution

The fourth proportional to 8,150.96, 12,232.55 and 3,771.50 is: 5,660.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.96 : 12,232.55 = 3,771.50 : x
  2. Step 2: Convert to fraction form
    8,150.96/12,232.55 = 3,771.50/x
  3. Step 3: Cross multiply
    8,150.96x = 12,232.55 × 3,771.50
  4. Step 4: Simplify right side
    8,150.96x = 46,135,010.59
  5. Step 5: Solve for x
    x = 46,135,010.59/8,150.96
  6. Step 6: Final answer
    x = 5,660.07

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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.