Home / 10,791.52-16,187.36-3,395.68

Finding the Fourth Proportional to 10,791.52, 16,187.36 and 3,395.68

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Solution

The fourth proportional to 10,791.52, 16,187.36 and 3,395.68 is: 5,093.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.52 : 16,187.36 = 3,395.68 : x
  2. Step 2: Convert to fraction form
    10,791.52/16,187.36 = 3,395.68/x
  3. Step 3: Cross multiply
    10,791.52x = 16,187.36 × 3,395.68
  4. Step 4: Simplify right side
    10,791.52x = 54,967,094.60
  5. Step 5: Solve for x
    x = 54,967,094.60/10,791.52
  6. Step 6: Final answer
    x = 5,093.55

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.