Home / 11,620.72-17,430.76-4,694.96

Finding the Fourth Proportional to 11,620.72, 17,430.76 and 4,694.96

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Solution

The fourth proportional to 11,620.72, 17,430.76 and 4,694.96 is: 7,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.72 : 17,430.76 = 4,694.96 : x
  2. Step 2: Convert to fraction form
    11,620.72/17,430.76 = 4,694.96/x
  3. Step 3: Cross multiply
    11,620.72x = 17,430.76 × 4,694.96
  4. Step 4: Simplify right side
    11,620.72x = 81,836,720.97
  5. Step 5: Solve for x
    x = 81,836,720.97/11,620.72
  6. Step 6: Final answer
    x = 7,042.31

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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.