Home / 8,114.19-11,195.46-4,755.21

Finding the Fourth Proportional to 8,114.19, 11,195.46 and 4,755.21

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Solution

The fourth proportional to 8,114.19, 11,195.46 and 4,755.21 is: 6,560.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.19 : 11,195.46 = 4,755.21 : x
  2. Step 2: Convert to fraction form
    8,114.19/11,195.46 = 4,755.21/x
  3. Step 3: Cross multiply
    8,114.19x = 11,195.46 × 4,755.21
  4. Step 4: Simplify right side
    8,114.19x = 53,236,763.35
  5. Step 5: Solve for x
    x = 53,236,763.35/8,114.19
  6. Step 6: Final answer
    x = 6,560.95

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Half scale
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Double scale
Find fourth proportional to 8,115.19, 11,196.84 and 4,756.21
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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.