Home / 6,151.07-9,227.61-1,992.12

Finding the Fourth Proportional to 6,151.07, 9,227.61 and 1,992.12

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Solution

The fourth proportional to 6,151.07, 9,227.61 and 1,992.12 is: 2,988.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.07 : 9,227.61 = 1,992.12 : x
  2. Step 2: Convert to fraction form
    6,151.07/9,227.61 = 1,992.12/x
  3. Step 3: Cross multiply
    6,151.07x = 9,227.61 × 1,992.12
  4. Step 4: Simplify right side
    6,151.07x = 18,382,506.43
  5. Step 5: Solve for x
    x = 18,382,506.43/6,151.07
  6. Step 6: Final answer
    x = 2,988.51

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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.