Home / 7,661.88-11,486.34-3,042.36

Finding the Fourth Proportional to 7,661.88, 11,486.34 and 3,042.36

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Solution

The fourth proportional to 7,661.88, 11,486.34 and 3,042.36 is: 4,560.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.88 : 11,486.34 = 3,042.36 : x
  2. Step 2: Convert to fraction form
    7,661.88/11,486.34 = 3,042.36/x
  3. Step 3: Cross multiply
    7,661.88x = 11,486.34 × 3,042.36
  4. Step 4: Simplify right side
    7,661.88x = 34,945,581.36
  5. Step 5: Solve for x
    x = 34,945,581.36/7,661.88
  6. Step 6: Final answer
    x = 4,560.97

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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.