Home / 11,616.36-17,436.83-7,236.90

Finding the Fourth Proportional to 11,616.36, 17,436.83 and 7,236.90

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Solution

The fourth proportional to 11,616.36, 17,436.83 and 7,236.90 is: 10,863.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,616.36 : 17,436.83 = 7,236.90 : x
  2. Step 2: Convert to fraction form
    11,616.36/17,436.83 = 7,236.90/x
  3. Step 3: Cross multiply
    11,616.36x = 17,436.83 × 7,236.90
  4. Step 4: Simplify right side
    11,616.36x = 126,188,558.84
  5. Step 5: Solve for x
    x = 126,188,558.84/11,616.36
  6. Step 6: Final answer
    x = 10,863.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.