Home / 11,764.64-17,649.67-3,867.82

Finding the Fourth Proportional to 11,764.64, 17,649.67 and 3,867.82

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Solution

The fourth proportional to 11,764.64, 17,649.67 and 3,867.82 is: 5,802.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,764.64 : 17,649.67 = 3,867.82 : x
  2. Step 2: Convert to fraction form
    11,764.64/17,649.67 = 3,867.82/x
  3. Step 3: Cross multiply
    11,764.64x = 17,649.67 × 3,867.82
  4. Step 4: Simplify right side
    11,764.64x = 68,265,727.28
  5. Step 5: Solve for x
    x = 68,265,727.28/11,764.64
  6. Step 6: Final answer
    x = 5,802.62

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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.