Home / 8,080.14-11,149.59-4,677.73

Finding the Fourth Proportional to 8,080.14, 11,149.59 and 4,677.73

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Solution

The fourth proportional to 8,080.14, 11,149.59 and 4,677.73 is: 6,454.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.14 : 11,149.59 = 4,677.73 : x
  2. Step 2: Convert to fraction form
    8,080.14/11,149.59 = 4,677.73/x
  3. Step 3: Cross multiply
    8,080.14x = 11,149.59 × 4,677.73
  4. Step 4: Simplify right side
    8,080.14x = 52,154,771.63
  5. Step 5: Solve for x
    x = 52,154,771.63/8,080.14
  6. Step 6: Final answer
    x = 6,454.69

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Half scale
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Double scale
Find fourth proportional to 8,081.14, 11,150.97 and 4,678.73
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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.