Home / 8,114.75-11,198.69-4,577.96

Finding the Fourth Proportional to 8,114.75, 11,198.69 and 4,577.96

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Solution

The fourth proportional to 8,114.75, 11,198.69 and 4,577.96 is: 6,317.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.75 : 11,198.69 = 4,577.96 : x
  2. Step 2: Convert to fraction form
    8,114.75/11,198.69 = 4,577.96/x
  3. Step 3: Cross multiply
    8,114.75x = 11,198.69 × 4,577.96
  4. Step 4: Simplify right side
    8,114.75x = 51,267,154.87
  5. Step 5: Solve for x
    x = 51,267,154.87/8,114.75
  6. Step 6: Final answer
    x = 6,317.77

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Half scale
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Double scale
Find fourth proportional to 8,115.75, 11,200.07 and 4,578.96
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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.