Home / 11,652.36-17,469.39-7,945.38

Finding the Fourth Proportional to 11,652.36, 17,469.39 and 7,945.38

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Solution

The fourth proportional to 11,652.36, 17,469.39 and 7,945.38 is: 11,911.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,652.36 : 17,469.39 = 7,945.38 : x
  2. Step 2: Convert to fraction form
    11,652.36/17,469.39 = 7,945.38/x
  3. Step 3: Cross multiply
    11,652.36x = 17,469.39 × 7,945.38
  4. Step 4: Simplify right side
    11,652.36x = 138,800,941.92
  5. Step 5: Solve for x
    x = 138,800,941.92/11,652.36
  6. Step 6: Final answer
    x = 11,911.83

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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.