Home / 8,171.31-11,276.97-4,634.75

Finding the Fourth Proportional to 8,171.31, 11,276.97 and 4,634.75

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Solution

The fourth proportional to 8,171.31, 11,276.97 and 4,634.75 is: 6,396.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.31 : 11,276.97 = 4,634.75 : x
  2. Step 2: Convert to fraction form
    8,171.31/11,276.97 = 4,634.75/x
  3. Step 3: Cross multiply
    8,171.31x = 11,276.97 × 4,634.75
  4. Step 4: Simplify right side
    8,171.31x = 52,265,880.32
  5. Step 5: Solve for x
    x = 52,265,880.32/8,171.31
  6. Step 6: Final answer
    x = 6,396.27

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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.