Home / 9,175.14-13,753.36-3,620.86

Finding the Fourth Proportional to 9,175.14, 13,753.36 and 3,620.86

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Solution

The fourth proportional to 9,175.14, 13,753.36 and 3,620.86 is: 5,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.14 : 13,753.36 = 3,620.86 : x
  2. Step 2: Convert to fraction form
    9,175.14/13,753.36 = 3,620.86/x
  3. Step 3: Cross multiply
    9,175.14x = 13,753.36 × 3,620.86
  4. Step 4: Simplify right side
    9,175.14x = 49,798,991.09
  5. Step 5: Solve for x
    x = 49,798,991.09/9,175.14
  6. Step 6: Final answer
    x = 5,427.60

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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.