Home / 11,822.20-16,314.44-6,516.96

Finding the Fourth Proportional to 11,822.20, 16,314.44 and 6,516.96

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Solution

The fourth proportional to 11,822.20, 16,314.44 and 6,516.96 is: 8,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.20 : 16,314.44 = 6,516.96 : x
  2. Step 2: Convert to fraction form
    11,822.20/16,314.44 = 6,516.96/x
  3. Step 3: Cross multiply
    11,822.20x = 16,314.44 × 6,516.96
  4. Step 4: Simplify right side
    11,822.20x = 106,320,552.90
  5. Step 5: Solve for x
    x = 106,320,552.90/11,822.20
  6. Step 6: Final answer
    x = 8,993.30

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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.