Home / 11,815.14-17,725.22-5,895.20

Finding the Fourth Proportional to 11,815.14, 17,725.22 and 5,895.20

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Solution

The fourth proportional to 11,815.14, 17,725.22 and 5,895.20 is: 8,844.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,815.14 : 17,725.22 = 5,895.20 : x
  2. Step 2: Convert to fraction form
    11,815.14/17,725.22 = 5,895.20/x
  3. Step 3: Cross multiply
    11,815.14x = 17,725.22 × 5,895.20
  4. Step 4: Simplify right side
    11,815.14x = 104,493,716.94
  5. Step 5: Solve for x
    x = 104,493,716.94/11,815.14
  6. Step 6: Final answer
    x = 8,844.05

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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.