Home / 11,517.60-17,276.67-4,122.60

Finding the Fourth Proportional to 11,517.60, 17,276.67 and 4,122.60

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Solution

The fourth proportional to 11,517.60, 17,276.67 and 4,122.60 is: 6,184.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.60 : 17,276.67 = 4,122.60 : x
  2. Step 2: Convert to fraction form
    11,517.60/17,276.67 = 4,122.60/x
  3. Step 3: Cross multiply
    11,517.60x = 17,276.67 × 4,122.60
  4. Step 4: Simplify right side
    11,517.60x = 71,224,799.74
  5. Step 5: Solve for x
    x = 71,224,799.74/11,517.60
  6. Step 6: Final answer
    x = 6,184.00

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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.