Home / 11,546.75-17,328.33-5,313.80

Finding the Fourth Proportional to 11,546.75, 17,328.33 and 5,313.80

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Solution

The fourth proportional to 11,546.75, 17,328.33 and 5,313.80 is: 7,974.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,546.75 : 17,328.33 = 5,313.80 : x
  2. Step 2: Convert to fraction form
    11,546.75/17,328.33 = 5,313.80/x
  3. Step 3: Cross multiply
    11,546.75x = 17,328.33 × 5,313.80
  4. Step 4: Simplify right side
    11,546.75x = 92,079,323.27
  5. Step 5: Solve for x
    x = 92,079,323.27/11,546.75
  6. Step 6: Final answer
    x = 7,974.48

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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.