Home / 11,661.08-16,091.82-6,355.79

Finding the Fourth Proportional to 11,661.08, 16,091.82 and 6,355.79

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Solution

The fourth proportional to 11,661.08, 16,091.82 and 6,355.79 is: 8,770.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.08 : 16,091.82 = 6,355.79 : x
  2. Step 2: Convert to fraction form
    11,661.08/16,091.82 = 6,355.79/x
  3. Step 3: Cross multiply
    11,661.08x = 16,091.82 × 6,355.79
  4. Step 4: Simplify right side
    11,661.08x = 102,276,148.18
  5. Step 5: Solve for x
    x = 102,276,148.18/11,661.08
  6. Step 6: Final answer
    x = 8,770.73

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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.