Home / 11,672.48-17,509.07-3,774.78

Finding the Fourth Proportional to 11,672.48, 17,509.07 and 3,774.78

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Solution

The fourth proportional to 11,672.48, 17,509.07 and 3,774.78 is: 5,662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.48 : 17,509.07 = 3,774.78 : x
  2. Step 2: Convert to fraction form
    11,672.48/17,509.07 = 3,774.78/x
  3. Step 3: Cross multiply
    11,672.48x = 17,509.07 × 3,774.78
  4. Step 4: Simplify right side
    11,672.48x = 66,092,831.03
  5. Step 5: Solve for x
    x = 66,092,831.03/11,672.48
  6. Step 6: Final answer
    x = 5,662.28

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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.