Home / 9,186.75-13,769.37-3,920.27

Finding the Fourth Proportional to 9,186.75, 13,769.37 and 3,920.27

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Solution

The fourth proportional to 9,186.75, 13,769.37 and 3,920.27 is: 5,875.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.75 : 13,769.37 = 3,920.27 : x
  2. Step 2: Convert to fraction form
    9,186.75/13,769.37 = 3,920.27/x
  3. Step 3: Cross multiply
    9,186.75x = 13,769.37 × 3,920.27
  4. Step 4: Simplify right side
    9,186.75x = 53,979,579.28
  5. Step 5: Solve for x
    x = 53,979,579.28/9,186.75
  6. Step 6: Final answer
    x = 5,875.81

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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.