Home / 7,820.14-10,791.37-4,283.27

Finding the Fourth Proportional to 7,820.14, 10,791.37 and 4,283.27

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Solution

The fourth proportional to 7,820.14, 10,791.37 and 4,283.27 is: 5,910.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820.14 : 10,791.37 = 4,283.27 : x
  2. Step 2: Convert to fraction form
    7,820.14/10,791.37 = 4,283.27/x
  3. Step 3: Cross multiply
    7,820.14x = 10,791.37 × 4,283.27
  4. Step 4: Simplify right side
    7,820.14x = 46,222,351.38
  5. Step 5: Solve for x
    x = 46,222,351.38/7,820.14
  6. Step 6: Final answer
    x = 5,910.68

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Half scale
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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.