Home / 11,581.80-15,983.43-6,546.23

Finding the Fourth Proportional to 11,581.80, 15,983.43 and 6,546.23

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Solution

The fourth proportional to 11,581.80, 15,983.43 and 6,546.23 is: 9,034.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.80 : 15,983.43 = 6,546.23 : x
  2. Step 2: Convert to fraction form
    11,581.80/15,983.43 = 6,546.23/x
  3. Step 3: Cross multiply
    11,581.80x = 15,983.43 × 6,546.23
  4. Step 4: Simplify right side
    11,581.80x = 104,631,208.97
  5. Step 5: Solve for x
    x = 104,631,208.97/11,581.80
  6. Step 6: Final answer
    x = 9,034.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.