Home / 12,796.12-19,187.49-4,028.68

Finding the Fourth Proportional to 12,796.12, 19,187.49 and 4,028.68

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Solution

The fourth proportional to 12,796.12, 19,187.49 and 4,028.68 is: 6,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796.12 : 19,187.49 = 4,028.68 : x
  2. Step 2: Convert to fraction form
    12,796.12/19,187.49 = 4,028.68/x
  3. Step 3: Cross multiply
    12,796.12x = 19,187.49 × 4,028.68
  4. Step 4: Simplify right side
    12,796.12x = 77,300,209.24
  5. Step 5: Solve for x
    x = 77,300,209.24/12,796.12
  6. Step 6: Final answer
    x = 6,040.91

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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.