Home / 8,618.82-11,893.66-5,267.24

Finding the Fourth Proportional to 8,618.82, 11,893.66 and 5,267.24

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Solution

The fourth proportional to 8,618.82, 11,893.66 and 5,267.24 is: 7,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618.82 : 11,893.66 = 5,267.24 : x
  2. Step 2: Convert to fraction form
    8,618.82/11,893.66 = 5,267.24/x
  3. Step 3: Cross multiply
    8,618.82x = 11,893.66 × 5,267.24
  4. Step 4: Simplify right side
    8,618.82x = 62,646,761.70
  5. Step 5: Solve for x
    x = 62,646,761.70/8,618.82
  6. Step 6: Final answer
    x = 7,268.60

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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.