Home / 11,993.56-16,550.50-6,687.36

Finding the Fourth Proportional to 11,993.56, 16,550.50 and 6,687.36

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Solution

The fourth proportional to 11,993.56, 16,550.50 and 6,687.36 is: 9,228.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.56 : 16,550.50 = 6,687.36 : x
  2. Step 2: Convert to fraction form
    11,993.56/16,550.50 = 6,687.36/x
  3. Step 3: Cross multiply
    11,993.56x = 16,550.50 × 6,687.36
  4. Step 4: Simplify right side
    11,993.56x = 110,679,151.68
  5. Step 5: Solve for x
    x = 110,679,151.68/11,993.56
  6. Step 6: Final answer
    x = 9,228.22

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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.