Home / 8,115.36-12,174.94-3,433.02

Finding the Fourth Proportional to 8,115.36, 12,174.94 and 3,433.02

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Solution

The fourth proportional to 8,115.36, 12,174.94 and 3,433.02 is: 5,150.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115.36 : 12,174.94 = 3,433.02 : x
  2. Step 2: Convert to fraction form
    8,115.36/12,174.94 = 3,433.02/x
  3. Step 3: Cross multiply
    8,115.36x = 12,174.94 × 3,433.02
  4. Step 4: Simplify right side
    8,115.36x = 41,796,812.52
  5. Step 5: Solve for x
    x = 41,796,812.52/8,115.36
  6. Step 6: Final answer
    x = 5,150.33

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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.