Home / 10,443.43-15,669.09-6,286.37

Finding the Fourth Proportional to 10,443.43, 15,669.09 and 6,286.37

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Solution

The fourth proportional to 10,443.43, 15,669.09 and 6,286.37 is: 9,431.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.43 : 15,669.09 = 6,286.37 : x
  2. Step 2: Convert to fraction form
    10,443.43/15,669.09 = 6,286.37/x
  3. Step 3: Cross multiply
    10,443.43x = 15,669.09 × 6,286.37
  4. Step 4: Simplify right side
    10,443.43x = 98,501,736.48
  5. Step 5: Solve for x
    x = 98,501,736.48/10,443.43
  6. Step 6: Final answer
    x = 9,431.94

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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.