Home / 11,816.20-17,735.24-5,976.88

Finding the Fourth Proportional to 11,816.20, 17,735.24 and 5,976.88

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Solution

The fourth proportional to 11,816.20, 17,735.24 and 5,976.88 is: 8,970.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.20 : 17,735.24 = 5,976.88 : x
  2. Step 2: Convert to fraction form
    11,816.20/17,735.24 = 5,976.88/x
  3. Step 3: Cross multiply
    11,816.20x = 17,735.24 × 5,976.88
  4. Step 4: Simplify right side
    11,816.20x = 106,001,401.25
  5. Step 5: Solve for x
    x = 106,001,401.25/11,816.20
  6. Step 6: Final answer
    x = 8,970.85

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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.