Home / 11,581.49-15,982.46-6,276.31

Finding the Fourth Proportional to 11,581.49, 15,982.46 and 6,276.31

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Solution

The fourth proportional to 11,581.49, 15,982.46 and 6,276.31 is: 8,661.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.49 : 15,982.46 = 6,276.31 : x
  2. Step 2: Convert to fraction form
    11,581.49/15,982.46 = 6,276.31/x
  3. Step 3: Cross multiply
    11,581.49x = 15,982.46 × 6,276.31
  4. Step 4: Simplify right side
    11,581.49x = 100,310,849.26
  5. Step 5: Solve for x
    x = 100,310,849.26/11,581.49
  6. Step 6: Final answer
    x = 8,661.31

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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.