Home / 11,211.97-16,810.08-4,968.60

Finding the Fourth Proportional to 11,211.97, 16,810.08 and 4,968.60

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Solution

The fourth proportional to 11,211.97, 16,810.08 and 4,968.60 is: 7,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.97 : 16,810.08 = 4,968.60 : x
  2. Step 2: Convert to fraction form
    11,211.97/16,810.08 = 4,968.60/x
  3. Step 3: Cross multiply
    11,211.97x = 16,810.08 × 4,968.60
  4. Step 4: Simplify right side
    11,211.97x = 83,522,563.49
  5. Step 5: Solve for x
    x = 83,522,563.49/11,211.97
  6. Step 6: Final answer
    x = 7,449.41

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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.