Home / 10,796.32-16,187.20-4,949.76

Finding the Fourth Proportional to 10,796.32, 16,187.20 and 4,949.76

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Solution

The fourth proportional to 10,796.32, 16,187.20 and 4,949.76 is: 7,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,796.32 : 16,187.20 = 4,949.76 : x
  2. Step 2: Convert to fraction form
    10,796.32/16,187.20 = 4,949.76/x
  3. Step 3: Cross multiply
    10,796.32x = 16,187.20 × 4,949.76
  4. Step 4: Simplify right side
    10,796.32x = 80,122,755.07
  5. Step 5: Solve for x
    x = 80,122,755.07/10,796.32
  6. Step 6: Final answer
    x = 7,421.30

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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.