Home / 8,109.43-11,190.67-4,573.37

Finding the Fourth Proportional to 8,109.43, 11,190.67 and 4,573.37

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Solution

The fourth proportional to 8,109.43, 11,190.67 and 4,573.37 is: 6,311.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.43 : 11,190.67 = 4,573.37 : x
  2. Step 2: Convert to fraction form
    8,109.43/11,190.67 = 4,573.37/x
  3. Step 3: Cross multiply
    8,109.43x = 11,190.67 × 4,573.37
  4. Step 4: Simplify right side
    8,109.43x = 51,179,074.46
  5. Step 5: Solve for x
    x = 51,179,074.46/8,109.43
  6. Step 6: Final answer
    x = 6,311.06

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.