Home / 8,195.13-11,311.07-5,210.38

Finding the Fourth Proportional to 8,195.13, 11,311.07 and 5,210.38

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Solution

The fourth proportional to 8,195.13, 11,311.07 and 5,210.38 is: 7,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.13 : 11,311.07 = 5,210.38 : x
  2. Step 2: Convert to fraction form
    8,195.13/11,311.07 = 5,210.38/x
  3. Step 3: Cross multiply
    8,195.13x = 11,311.07 × 5,210.38
  4. Step 4: Simplify right side
    8,195.13x = 58,934,918.58
  5. Step 5: Solve for x
    x = 58,934,918.58/8,195.13
  6. Step 6: Final answer
    x = 7,191.46

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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.