Home / 11,661.06-16,091.96-6,355.56

Finding the Fourth Proportional to 11,661.06, 16,091.96 and 6,355.56

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Solution

The fourth proportional to 11,661.06, 16,091.96 and 6,355.56 is: 8,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.06 : 16,091.96 = 6,355.56 : x
  2. Step 2: Convert to fraction form
    11,661.06/16,091.96 = 6,355.56/x
  3. Step 3: Cross multiply
    11,661.06x = 16,091.96 × 6,355.56
  4. Step 4: Simplify right side
    11,661.06x = 102,273,385.52
  5. Step 5: Solve for x
    x = 102,273,385.52/11,661.06
  6. Step 6: Final answer
    x = 8,770.51

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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.