Home / 10,939.34-16,410.09-4,364.12

Finding the Fourth Proportional to 10,939.34, 16,410.09 and 4,364.12

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Solution

The fourth proportional to 10,939.34, 16,410.09 and 4,364.12 is: 6,546.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.34 : 16,410.09 = 4,364.12 : x
  2. Step 2: Convert to fraction form
    10,939.34/16,410.09 = 4,364.12/x
  3. Step 3: Cross multiply
    10,939.34x = 16,410.09 × 4,364.12
  4. Step 4: Simplify right side
    10,939.34x = 71,615,601.97
  5. Step 5: Solve for x
    x = 71,615,601.97/10,939.34
  6. Step 6: Final answer
    x = 6,546.61

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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.