Home / 7,650.91-11,467.13-3,951.12

Finding the Fourth Proportional to 7,650.91, 11,467.13 and 3,951.12

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Solution

The fourth proportional to 7,650.91, 11,467.13 and 3,951.12 is: 5,921.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.91 : 11,467.13 = 3,951.12 : x
  2. Step 2: Convert to fraction form
    7,650.91/11,467.13 = 3,951.12/x
  3. Step 3: Cross multiply
    7,650.91x = 11,467.13 × 3,951.12
  4. Step 4: Simplify right side
    7,650.91x = 45,307,959.23
  5. Step 5: Solve for x
    x = 45,307,959.23/7,650.91
  6. Step 6: Final answer
    x = 5,921.91

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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.