Home / 11,664.72-17,486.28-4,649.22

Finding the Fourth Proportional to 11,664.72, 17,486.28 and 4,649.22

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Solution

The fourth proportional to 11,664.72, 17,486.28 and 4,649.22 is: 6,969.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664.72 : 17,486.28 = 4,649.22 : x
  2. Step 2: Convert to fraction form
    11,664.72/17,486.28 = 4,649.22/x
  3. Step 3: Cross multiply
    11,664.72x = 17,486.28 × 4,649.22
  4. Step 4: Simplify right side
    11,664.72x = 81,297,562.70
  5. Step 5: Solve for x
    x = 81,297,562.70/11,664.72
  6. Step 6: Final answer
    x = 6,969.53

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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.