Home / 10,821.50-16,234.04-3,799.69

Finding the Fourth Proportional to 10,821.50, 16,234.04 and 3,799.69

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Solution

The fourth proportional to 10,821.50, 16,234.04 and 3,799.69 is: 5,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.50 : 16,234.04 = 3,799.69 : x
  2. Step 2: Convert to fraction form
    10,821.50/16,234.04 = 3,799.69/x
  3. Step 3: Cross multiply
    10,821.50x = 16,234.04 × 3,799.69
  4. Step 4: Simplify right side
    10,821.50x = 61,684,328.95
  5. Step 5: Solve for x
    x = 61,684,328.95/10,821.50
  6. Step 6: Final answer
    x = 5,700.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.