Home / 12,716.38-19,083.03-5,226.08

Finding the Fourth Proportional to 12,716.38, 19,083.03 and 5,226.08

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Solution

The fourth proportional to 12,716.38, 19,083.03 and 5,226.08 is: 7,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.38 : 19,083.03 = 5,226.08 : x
  2. Step 2: Convert to fraction form
    12,716.38/19,083.03 = 5,226.08/x
  3. Step 3: Cross multiply
    12,716.38x = 19,083.03 × 5,226.08
  4. Step 4: Simplify right side
    12,716.38x = 99,729,380.08
  5. Step 5: Solve for x
    x = 99,729,380.08/12,716.38
  6. Step 6: Final answer
    x = 7,842.59

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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.