Home / 11,824.85-16,319.24-6,520.56

Finding the Fourth Proportional to 11,824.85, 16,319.24 and 6,520.56

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Solution

The fourth proportional to 11,824.85, 16,319.24 and 6,520.56 is: 8,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,824.85 : 16,319.24 = 6,520.56 : x
  2. Step 2: Convert to fraction form
    11,824.85/16,319.24 = 6,520.56/x
  3. Step 3: Cross multiply
    11,824.85x = 16,319.24 × 6,520.56
  4. Step 4: Simplify right side
    11,824.85x = 106,410,550.97
  5. Step 5: Solve for x
    x = 106,410,550.97/11,824.85
  6. Step 6: Final answer
    x = 8,998.90

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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.