Home / 9,255.72-13,873.86-3,408.60

Finding the Fourth Proportional to 9,255.72, 13,873.86 and 3,408.60

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Solution

The fourth proportional to 9,255.72, 13,873.86 and 3,408.60 is: 5,109.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.72 : 13,873.86 = 3,408.60 : x
  2. Step 2: Convert to fraction form
    9,255.72/13,873.86 = 3,408.60/x
  3. Step 3: Cross multiply
    9,255.72x = 13,873.86 × 3,408.60
  4. Step 4: Simplify right side
    9,255.72x = 47,290,439.20
  5. Step 5: Solve for x
    x = 47,290,439.20/9,255.72
  6. Step 6: Final answer
    x = 5,109.32

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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.