Home / 11,816.56-16,306.92-6,511.48

Finding the Fourth Proportional to 11,816.56, 16,306.92 and 6,511.48

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Solution

The fourth proportional to 11,816.56, 16,306.92 and 6,511.48 is: 8,985.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.56 : 16,306.92 = 6,511.48 : x
  2. Step 2: Convert to fraction form
    11,816.56/16,306.92 = 6,511.48/x
  3. Step 3: Cross multiply
    11,816.56x = 16,306.92 × 6,511.48
  4. Step 4: Simplify right side
    11,816.56x = 106,182,183.44
  5. Step 5: Solve for x
    x = 106,182,183.44/11,816.56
  6. Step 6: Final answer
    x = 8,985.88

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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.