Home / 10,120.44-13,965.84-5,928.60

Finding the Fourth Proportional to 10,120.44, 13,965.84 and 5,928.60

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Solution

The fourth proportional to 10,120.44, 13,965.84 and 5,928.60 is: 8,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.44 : 13,965.84 = 5,928.60 : x
  2. Step 2: Convert to fraction form
    10,120.44/13,965.84 = 5,928.60/x
  3. Step 3: Cross multiply
    10,120.44x = 13,965.84 × 5,928.60
  4. Step 4: Simplify right side
    10,120.44x = 82,797,879.02
  5. Step 5: Solve for x
    x = 82,797,879.02/10,120.44
  6. Step 6: Final answer
    x = 8,181.25

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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.