Home / 9,115.80-13,673.70-6,163.35

Finding the Fourth Proportional to 9,115.80, 13,673.70 and 6,163.35

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Solution

The fourth proportional to 9,115.80, 13,673.70 and 6,163.35 is: 9,245.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.80 : 13,673.70 = 6,163.35 : x
  2. Step 2: Convert to fraction form
    9,115.80/13,673.70 = 6,163.35/x
  3. Step 3: Cross multiply
    9,115.80x = 13,673.70 × 6,163.35
  4. Step 4: Simplify right side
    9,115.80x = 84,275,798.90
  5. Step 5: Solve for x
    x = 84,275,798.90/9,115.80
  6. Step 6: Final answer
    x = 9,245.03

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Half scale
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Similar ratio
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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.