Home / 11,660.22-16,091.10-6,354.92

Finding the Fourth Proportional to 11,660.22, 16,091.10 and 6,354.92

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Solution

The fourth proportional to 11,660.22, 16,091.10 and 6,354.92 is: 8,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.22 : 16,091.10 = 6,354.92 : x
  2. Step 2: Convert to fraction form
    11,660.22/16,091.10 = 6,354.92/x
  3. Step 3: Cross multiply
    11,660.22x = 16,091.10 × 6,354.92
  4. Step 4: Simplify right side
    11,660.22x = 102,257,653.21
  5. Step 5: Solve for x
    x = 102,257,653.21/11,660.22
  6. Step 6: Final answer
    x = 8,769.79

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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.