Home / 7,995.06-11,992.59-2,151.72

Finding the Fourth Proportional to 7,995.06, 11,992.59 and 2,151.72

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Solution

The fourth proportional to 7,995.06, 11,992.59 and 2,151.72 is: 3,227.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.06 : 11,992.59 = 2,151.72 : x
  2. Step 2: Convert to fraction form
    7,995.06/11,992.59 = 2,151.72/x
  3. Step 3: Cross multiply
    7,995.06x = 11,992.59 × 2,151.72
  4. Step 4: Simplify right side
    7,995.06x = 25,804,695.75
  5. Step 5: Solve for x
    x = 25,804,695.75/7,995.06
  6. Step 6: Final answer
    x = 3,227.58

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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.