Home / 11,438.44-17,156.70-3,647.08

Finding the Fourth Proportional to 11,438.44, 17,156.70 and 3,647.08

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Solution

The fourth proportional to 11,438.44, 17,156.70 and 3,647.08 is: 5,470.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438.44 : 17,156.70 = 3,647.08 : x
  2. Step 2: Convert to fraction form
    11,438.44/17,156.70 = 3,647.08/x
  3. Step 3: Cross multiply
    11,438.44x = 17,156.70 × 3,647.08
  4. Step 4: Simplify right side
    11,438.44x = 62,571,857.44
  5. Step 5: Solve for x
    x = 62,571,857.44/11,438.44
  6. Step 6: Final answer
    x = 5,470.31

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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.