Home / 11,105.37-15,325.15-6,069.60

Finding the Fourth Proportional to 11,105.37, 15,325.15 and 6,069.60

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Solution

The fourth proportional to 11,105.37, 15,325.15 and 6,069.60 is: 8,375.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105.37 : 15,325.15 = 6,069.60 : x
  2. Step 2: Convert to fraction form
    11,105.37/15,325.15 = 6,069.60/x
  3. Step 3: Cross multiply
    11,105.37x = 15,325.15 × 6,069.60
  4. Step 4: Simplify right side
    11,105.37x = 93,017,530.44
  5. Step 5: Solve for x
    x = 93,017,530.44/11,105.37
  6. Step 6: Final answer
    x = 8,375.91

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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.