Home / 8,231.97-11,360.34-4,695.12

Finding the Fourth Proportional to 8,231.97, 11,360.34 and 4,695.12

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Solution

The fourth proportional to 8,231.97, 11,360.34 and 4,695.12 is: 6,479.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.97 : 11,360.34 = 4,695.12 : x
  2. Step 2: Convert to fraction form
    8,231.97/11,360.34 = 4,695.12/x
  3. Step 3: Cross multiply
    8,231.97x = 11,360.34 × 4,695.12
  4. Step 4: Simplify right side
    8,231.97x = 53,338,159.54
  5. Step 5: Solve for x
    x = 53,338,159.54/8,231.97
  6. Step 6: Final answer
    x = 6,479.39

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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.