Home / 11,519.11-17,260.66-8,015.96

Finding the Fourth Proportional to 11,519.11, 17,260.66 and 8,015.96

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Solution

The fourth proportional to 11,519.11, 17,260.66 and 8,015.96 is: 12,011.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.11 : 17,260.66 = 8,015.96 : x
  2. Step 2: Convert to fraction form
    11,519.11/17,260.66 = 8,015.96/x
  3. Step 3: Cross multiply
    11,519.11x = 17,260.66 × 8,015.96
  4. Step 4: Simplify right side
    11,519.11x = 138,360,760.13
  5. Step 5: Solve for x
    x = 138,360,760.13/11,519.11
  6. Step 6: Final answer
    x = 12,011.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.