Home / 8,109.98-11,191.74-4,573.18

Finding the Fourth Proportional to 8,109.98, 11,191.74 and 4,573.18

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Solution

The fourth proportional to 8,109.98, 11,191.74 and 4,573.18 is: 6,310.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.98 : 11,191.74 = 4,573.18 : x
  2. Step 2: Convert to fraction form
    8,109.98/11,191.74 = 4,573.18/x
  3. Step 3: Cross multiply
    8,109.98x = 11,191.74 × 4,573.18
  4. Step 4: Simplify right side
    8,109.98x = 51,181,841.53
  5. Step 5: Solve for x
    x = 51,181,841.53/8,109.98
  6. Step 6: Final answer
    x = 6,310.97

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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.