Home / 11,173.38-15,419.24-6,137.60

Finding the Fourth Proportional to 11,173.38, 15,419.24 and 6,137.60

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Solution

The fourth proportional to 11,173.38, 15,419.24 and 6,137.60 is: 8,469.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,173.38 : 15,419.24 = 6,137.60 : x
  2. Step 2: Convert to fraction form
    11,173.38/15,419.24 = 6,137.60/x
  3. Step 3: Cross multiply
    11,173.38x = 15,419.24 × 6,137.60
  4. Step 4: Simplify right side
    11,173.38x = 94,637,050.33
  5. Step 5: Solve for x
    x = 94,637,050.33/11,173.38
  6. Step 6: Final answer
    x = 8,469.87

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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.