Home / 11,091.08-15,305.50-6,310.92

Finding the Fourth Proportional to 11,091.08, 15,305.50 and 6,310.92

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Solution

The fourth proportional to 11,091.08, 15,305.50 and 6,310.92 is: 8,708.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.08 : 15,305.50 = 6,310.92 : x
  2. Step 2: Convert to fraction form
    11,091.08/15,305.50 = 6,310.92/x
  3. Step 3: Cross multiply
    11,091.08x = 15,305.50 × 6,310.92
  4. Step 4: Simplify right side
    11,091.08x = 96,591,830.19
  5. Step 5: Solve for x
    x = 96,591,830.19/11,091.08
  6. Step 6: Final answer
    x = 8,708.96

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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.