Home / 11,747.40-17,620.63-3,850.51

Finding the Fourth Proportional to 11,747.40, 17,620.63 and 3,850.51

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Solution

The fourth proportional to 11,747.40, 17,620.63 and 3,850.51 is: 5,775.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.40 : 17,620.63 = 3,850.51 : x
  2. Step 2: Convert to fraction form
    11,747.40/17,620.63 = 3,850.51/x
  3. Step 3: Cross multiply
    11,747.40x = 17,620.63 × 3,850.51
  4. Step 4: Simplify right side
    11,747.40x = 67,848,412.02
  5. Step 5: Solve for x
    x = 67,848,412.02/11,747.40
  6. Step 6: Final answer
    x = 5,775.61

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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.