Home / 11,744.80-17,619.60-3,954.40

Finding the Fourth Proportional to 11,744.80, 17,619.60 and 3,954.40

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Solution

The fourth proportional to 11,744.80, 17,619.60 and 3,954.40 is: 5,932.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,744.80 : 17,619.60 = 3,954.40 : x
  2. Step 2: Convert to fraction form
    11,744.80/17,619.60 = 3,954.40/x
  3. Step 3: Cross multiply
    11,744.80x = 17,619.60 × 3,954.40
  4. Step 4: Simplify right side
    11,744.80x = 69,674,946.24
  5. Step 5: Solve for x
    x = 69,674,946.24/11,744.80
  6. Step 6: Final answer
    x = 5,932.41

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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.