Home / 11,759.88-16,226.10-6,789

Finding the Fourth Proportional to 11,759.88, 16,226.10 and 6,789

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Solution

The fourth proportional to 11,759.88, 16,226.10 and 6,789 is: 9,367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,759.88 : 16,226.10 = 6,789 : x
  2. Step 2: Convert to fraction form
    11,759.88/16,226.10 = 6,789/x
  3. Step 3: Cross multiply
    11,759.88x = 16,226.10 × 6,789
  4. Step 4: Simplify right side
    11,759.88x = 110,158,992.90
  5. Step 5: Solve for x
    x = 110,158,992.90/11,759.88
  6. Step 6: Final answer
    x = 9,367.36

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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.