Home / 11,805.62-16,291.82-6,770.03

Finding the Fourth Proportional to 11,805.62, 16,291.82 and 6,770.03

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Solution

The fourth proportional to 11,805.62, 16,291.82 and 6,770.03 is: 9,342.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.62 : 16,291.82 = 6,770.03 : x
  2. Step 2: Convert to fraction form
    11,805.62/16,291.82 = 6,770.03/x
  3. Step 3: Cross multiply
    11,805.62x = 16,291.82 × 6,770.03
  4. Step 4: Simplify right side
    11,805.62x = 110,296,076.30
  5. Step 5: Solve for x
    x = 110,296,076.30/11,805.62
  6. Step 6: Final answer
    x = 9,342.68

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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.