Home / 12,799.27-19,201.73-5,410.04

Finding the Fourth Proportional to 12,799.27, 19,201.73 and 5,410.04

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Solution

The fourth proportional to 12,799.27, 19,201.73 and 5,410.04 is: 8,116.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.27 : 19,201.73 = 5,410.04 : x
  2. Step 2: Convert to fraction form
    12,799.27/19,201.73 = 5,410.04/x
  3. Step 3: Cross multiply
    12,799.27x = 19,201.73 × 5,410.04
  4. Step 4: Simplify right side
    12,799.27x = 103,882,157.97
  5. Step 5: Solve for x
    x = 103,882,157.97/12,799.27
  6. Step 6: Final answer
    x = 8,116.26

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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.