Home / 7,716.51-10,648.80-4,179.73

Finding the Fourth Proportional to 7,716.51, 10,648.80 and 4,179.73

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Solution

The fourth proportional to 7,716.51, 10,648.80 and 4,179.73 is: 5,768.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.51 : 10,648.80 = 4,179.73 : x
  2. Step 2: Convert to fraction form
    7,716.51/10,648.80 = 4,179.73/x
  3. Step 3: Cross multiply
    7,716.51x = 10,648.80 × 4,179.73
  4. Step 4: Simplify right side
    7,716.51x = 44,509,097.88
  5. Step 5: Solve for x
    x = 44,509,097.88/7,716.51
  6. Step 6: Final answer
    x = 5,768.03

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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.