Home / 11,443.56-17,154.36-3,647.28

Finding the Fourth Proportional to 11,443.56, 17,154.36 and 3,647.28

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Solution

The fourth proportional to 11,443.56, 17,154.36 and 3,647.28 is: 5,467.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,443.56 : 17,154.36 = 3,647.28 : x
  2. Step 2: Convert to fraction form
    11,443.56/17,154.36 = 3,647.28/x
  3. Step 3: Cross multiply
    11,443.56x = 17,154.36 × 3,647.28
  4. Step 4: Simplify right side
    11,443.56x = 62,566,754.14
  5. Step 5: Solve for x
    x = 62,566,754.14/11,443.56
  6. Step 6: Final answer
    x = 5,467.42

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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.