Home / 10,987.76-16,481.60-6,054.80

Finding the Fourth Proportional to 10,987.76, 16,481.60 and 6,054.80

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Solution

The fourth proportional to 10,987.76, 16,481.60 and 6,054.80 is: 9,082.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.76 : 16,481.60 = 6,054.80 : x
  2. Step 2: Convert to fraction form
    10,987.76/16,481.60 = 6,054.80/x
  3. Step 3: Cross multiply
    10,987.76x = 16,481.60 × 6,054.80
  4. Step 4: Simplify right side
    10,987.76x = 99,792,791.68
  5. Step 5: Solve for x
    x = 99,792,791.68/10,987.76
  6. Step 6: Final answer
    x = 9,082.18

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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.