Home / 11,839.12-16,338.09-6,533.89

Finding the Fourth Proportional to 11,839.12, 16,338.09 and 6,533.89

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Solution

The fourth proportional to 11,839.12, 16,338.09 and 6,533.89 is: 9,016.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.12 : 16,338.09 = 6,533.89 : x
  2. Step 2: Convert to fraction form
    11,839.12/16,338.09 = 6,533.89/x
  3. Step 3: Cross multiply
    11,839.12x = 16,338.09 × 6,533.89
  4. Step 4: Simplify right side
    11,839.12x = 106,751,282.87
  5. Step 5: Solve for x
    x = 106,751,282.87/11,839.12
  6. Step 6: Final answer
    x = 9,016.83

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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.