Home / 10,786.76-16,186.34-4,546.25

Finding the Fourth Proportional to 10,786.76, 16,186.34 and 4,546.25

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Solution

The fourth proportional to 10,786.76, 16,186.34 and 4,546.25 is: 6,821.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786.76 : 16,186.34 = 4,546.25 : x
  2. Step 2: Convert to fraction form
    10,786.76/16,186.34 = 4,546.25/x
  3. Step 3: Cross multiply
    10,786.76x = 16,186.34 × 4,546.25
  4. Step 4: Simplify right side
    10,786.76x = 73,587,078.66
  5. Step 5: Solve for x
    x = 73,587,078.66/10,786.76
  6. Step 6: Final answer
    x = 6,821.98

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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.