Home / 11,226.88-15,493.12-6,191.36

Finding the Fourth Proportional to 11,226.88, 15,493.12 and 6,191.36

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Solution

The fourth proportional to 11,226.88, 15,493.12 and 6,191.36 is: 8,544.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.88 : 15,493.12 = 6,191.36 : x
  2. Step 2: Convert to fraction form
    11,226.88/15,493.12 = 6,191.36/x
  3. Step 3: Cross multiply
    11,226.88x = 15,493.12 × 6,191.36
  4. Step 4: Simplify right side
    11,226.88x = 95,923,483.44
  5. Step 5: Solve for x
    x = 95,923,483.44/11,226.88
  6. Step 6: Final answer
    x = 8,544.09

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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.