Home / 11,517.35-17,276.30-4,122.32

Finding the Fourth Proportional to 11,517.35, 17,276.30 and 4,122.32

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Solution

The fourth proportional to 11,517.35, 17,276.30 and 4,122.32 is: 6,183.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.35 : 17,276.30 = 4,122.32 : x
  2. Step 2: Convert to fraction form
    11,517.35/17,276.30 = 4,122.32/x
  3. Step 3: Cross multiply
    11,517.35x = 17,276.30 × 4,122.32
  4. Step 4: Simplify right side
    11,517.35x = 71,218,416.40
  5. Step 5: Solve for x
    x = 71,218,416.40/11,517.35
  6. Step 6: Final answer
    x = 6,183.58

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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.