Home / 12,796.79-19,187.69-5,000.13

Finding the Fourth Proportional to 12,796.79, 19,187.69 and 5,000.13

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Solution

The fourth proportional to 12,796.79, 19,187.69 and 5,000.13 is: 7,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796.79 : 19,187.69 = 5,000.13 : x
  2. Step 2: Convert to fraction form
    12,796.79/19,187.69 = 5,000.13/x
  3. Step 3: Cross multiply
    12,796.79x = 19,187.69 × 5,000.13
  4. Step 4: Simplify right side
    12,796.79x = 95,940,919.40
  5. Step 5: Solve for x
    x = 95,940,919.40/12,796.79
  6. Step 6: Final answer
    x = 7,497.27

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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.