Home / 11,880.22-17,809.10-4,083.56

Finding the Fourth Proportional to 11,880.22, 17,809.10 and 4,083.56

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Solution

The fourth proportional to 11,880.22, 17,809.10 and 4,083.56 is: 6,121.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.22 : 17,809.10 = 4,083.56 : x
  2. Step 2: Convert to fraction form
    11,880.22/17,809.10 = 4,083.56/x
  3. Step 3: Cross multiply
    11,880.22x = 17,809.10 × 4,083.56
  4. Step 4: Simplify right side
    11,880.22x = 72,724,528.40
  5. Step 5: Solve for x
    x = 72,724,528.40/11,880.22
  6. Step 6: Final answer
    x = 6,121.48

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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.