Home / 10,732.88-16,116.96-7,245.28

Finding the Fourth Proportional to 10,732.88, 16,116.96 and 7,245.28

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Solution

The fourth proportional to 10,732.88, 16,116.96 and 7,245.28 is: 10,879.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,732.88 : 16,116.96 = 7,245.28 : x
  2. Step 2: Convert to fraction form
    10,732.88/16,116.96 = 7,245.28/x
  3. Step 3: Cross multiply
    10,732.88x = 16,116.96 × 7,245.28
  4. Step 4: Simplify right side
    10,732.88x = 116,771,887.95
  5. Step 5: Solve for x
    x = 116,771,887.95/10,732.88
  6. Step 6: Final answer
    x = 10,879.83

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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.