Home / 10,987.05-16,482.21-3,194.85

Finding the Fourth Proportional to 10,987.05, 16,482.21 and 3,194.85

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Solution

The fourth proportional to 10,987.05, 16,482.21 and 3,194.85 is: 4,792.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.05 : 16,482.21 = 3,194.85 : x
  2. Step 2: Convert to fraction form
    10,987.05/16,482.21 = 3,194.85/x
  3. Step 3: Cross multiply
    10,987.05x = 16,482.21 × 3,194.85
  4. Step 4: Simplify right side
    10,987.05x = 52,658,188.62
  5. Step 5: Solve for x
    x = 52,658,188.62/10,987.05
  6. Step 6: Final answer
    x = 4,792.75

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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.