Home / 11,452.20-17,178.30-4,878.60

Finding the Fourth Proportional to 11,452.20, 17,178.30 and 4,878.60

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Solution

The fourth proportional to 11,452.20, 17,178.30 and 4,878.60 is: 7,317.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,452.20 : 17,178.30 = 4,878.60 : x
  2. Step 2: Convert to fraction form
    11,452.20/17,178.30 = 4,878.60/x
  3. Step 3: Cross multiply
    11,452.20x = 17,178.30 × 4,878.60
  4. Step 4: Simplify right side
    11,452.20x = 83,806,054.38
  5. Step 5: Solve for x
    x = 83,806,054.38/11,452.20
  6. Step 6: Final answer
    x = 7,317.90

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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.