Home / 6,622-9,142.44-4,268.26

Finding the Fourth Proportional to 6,622, 9,142.44 and 4,268.26

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Solution

The fourth proportional to 6,622, 9,142.44 and 4,268.26 is: 5,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622 : 9,142.44 = 4,268.26 : x
  2. Step 2: Convert to fraction form
    6,622/9,142.44 = 4,268.26/x
  3. Step 3: Cross multiply
    6,622x = 9,142.44 × 4,268.26
  4. Step 4: Simplify right side
    6,622x = 39,022,310.95
  5. Step 5: Solve for x
    x = 39,022,310.95/6,622
  6. Step 6: Final answer
    x = 5,892.83

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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.