Home / 11,765.07-17,649.76-3,868.03

Finding the Fourth Proportional to 11,765.07, 17,649.76 and 3,868.03

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Solution

The fourth proportional to 11,765.07, 17,649.76 and 3,868.03 is: 5,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.07 : 17,649.76 = 3,868.03 : x
  2. Step 2: Convert to fraction form
    11,765.07/17,649.76 = 3,868.03/x
  3. Step 3: Cross multiply
    11,765.07x = 17,649.76 × 3,868.03
  4. Step 4: Simplify right side
    11,765.07x = 68,269,712.92
  5. Step 5: Solve for x
    x = 68,269,712.92/11,765.07
  6. Step 6: Final answer
    x = 5,802.75

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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.