Home / 10,732.14-16,102.62-4,891.50

Finding the Fourth Proportional to 10,732.14, 16,102.62 and 4,891.50

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Solution

The fourth proportional to 10,732.14, 16,102.62 and 4,891.50 is: 7,339.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,732.14 : 16,102.62 = 4,891.50 : x
  2. Step 2: Convert to fraction form
    10,732.14/16,102.62 = 4,891.50/x
  3. Step 3: Cross multiply
    10,732.14x = 16,102.62 × 4,891.50
  4. Step 4: Simplify right side
    10,732.14x = 78,765,965.73
  5. Step 5: Solve for x
    x = 78,765,965.73/10,732.14
  6. Step 6: Final answer
    x = 7,339.26

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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.