Home / 10,891.23-16,310.53-6,197.02

Finding the Fourth Proportional to 10,891.23, 16,310.53 and 6,197.02

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Solution

The fourth proportional to 10,891.23, 16,310.53 and 6,197.02 is: 9,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.23 : 16,310.53 = 6,197.02 : x
  2. Step 2: Convert to fraction form
    10,891.23/16,310.53 = 6,197.02/x
  3. Step 3: Cross multiply
    10,891.23x = 16,310.53 × 6,197.02
  4. Step 4: Simplify right side
    10,891.23x = 101,076,583.58
  5. Step 5: Solve for x
    x = 101,076,583.58/10,891.23
  6. Step 6: Final answer
    x = 9,280.55

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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.