Home / 11,550.87-15,940.21-6,245.68

Finding the Fourth Proportional to 11,550.87, 15,940.21 and 6,245.68

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Solution

The fourth proportional to 11,550.87, 15,940.21 and 6,245.68 is: 8,619.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.87 : 15,940.21 = 6,245.68 : x
  2. Step 2: Convert to fraction form
    11,550.87/15,940.21 = 6,245.68/x
  3. Step 3: Cross multiply
    11,550.87x = 15,940.21 × 6,245.68
  4. Step 4: Simplify right side
    11,550.87x = 99,557,419.56
  5. Step 5: Solve for x
    x = 99,557,419.56/11,550.87
  6. Step 6: Final answer
    x = 8,619.04

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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.