Home / 11,086.60-16,629.90-4,930.60

Finding the Fourth Proportional to 11,086.60, 16,629.90 and 4,930.60

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Solution

The fourth proportional to 11,086.60, 16,629.90 and 4,930.60 is: 7,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.60 : 16,629.90 = 4,930.60 : x
  2. Step 2: Convert to fraction form
    11,086.60/16,629.90 = 4,930.60/x
  3. Step 3: Cross multiply
    11,086.60x = 16,629.90 × 4,930.60
  4. Step 4: Simplify right side
    11,086.60x = 81,995,384.94
  5. Step 5: Solve for x
    x = 81,995,384.94/11,086.60
  6. Step 6: Final answer
    x = 7,395.90

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Similar ratio
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1.5x scale

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.