Home / 11,469.51-17,201.30-3,147.57

Finding the Fourth Proportional to 11,469.51, 17,201.30 and 3,147.57

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Solution

The fourth proportional to 11,469.51, 17,201.30 and 3,147.57 is: 4,720.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469.51 : 17,201.30 = 3,147.57 : x
  2. Step 2: Convert to fraction form
    11,469.51/17,201.30 = 3,147.57/x
  3. Step 3: Cross multiply
    11,469.51x = 17,201.30 × 3,147.57
  4. Step 4: Simplify right side
    11,469.51x = 54,142,330.98
  5. Step 5: Solve for x
    x = 54,142,330.98/11,469.51
  6. Step 6: Final answer
    x = 4,720.54

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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.