Home / 11,251.72-15,508.74-8,452.36

Finding the Fourth Proportional to 11,251.72, 15,508.74 and 8,452.36

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Solution

The fourth proportional to 11,251.72, 15,508.74 and 8,452.36 is: 11,650.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.72 : 15,508.74 = 8,452.36 : x
  2. Step 2: Convert to fraction form
    11,251.72/15,508.74 = 8,452.36/x
  3. Step 3: Cross multiply
    11,251.72x = 15,508.74 × 8,452.36
  4. Step 4: Simplify right side
    11,251.72x = 131,085,453.63
  5. Step 5: Solve for x
    x = 131,085,453.63/11,251.72
  6. Step 6: Final answer
    x = 11,650.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.