Home / 11,183.23-15,433.19-6,147.60

Finding the Fourth Proportional to 11,183.23, 15,433.19 and 6,147.60

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Solution

The fourth proportional to 11,183.23, 15,433.19 and 6,147.60 is: 8,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.23 : 15,433.19 = 6,147.60 : x
  2. Step 2: Convert to fraction form
    11,183.23/15,433.19 = 6,147.60/x
  3. Step 3: Cross multiply
    11,183.23x = 15,433.19 × 6,147.60
  4. Step 4: Simplify right side
    11,183.23x = 94,877,078.84
  5. Step 5: Solve for x
    x = 94,877,078.84/11,183.23
  6. Step 6: Final answer
    x = 8,483.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.