Home / 11,076.86-15,299.34-8,087.96

Finding the Fourth Proportional to 11,076.86, 15,299.34 and 8,087.96

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Solution

The fourth proportional to 11,076.86, 15,299.34 and 8,087.96 is: 11,171.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.86 : 15,299.34 = 8,087.96 : x
  2. Step 2: Convert to fraction form
    11,076.86/15,299.34 = 8,087.96/x
  3. Step 3: Cross multiply
    11,076.86x = 15,299.34 × 8,087.96
  4. Step 4: Simplify right side
    11,076.86x = 123,740,449.95
  5. Step 5: Solve for x
    x = 123,740,449.95/11,076.86
  6. Step 6: Final answer
    x = 11,171.08

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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.