Home / 7,954.73-11,932.10-2,111.19

Finding the Fourth Proportional to 7,954.73, 11,932.10 and 2,111.19

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Solution

The fourth proportional to 7,954.73, 11,932.10 and 2,111.19 is: 3,166.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.73 : 11,932.10 = 2,111.19 : x
  2. Step 2: Convert to fraction form
    7,954.73/11,932.10 = 2,111.19/x
  3. Step 3: Cross multiply
    7,954.73x = 11,932.10 × 2,111.19
  4. Step 4: Simplify right side
    7,954.73x = 25,190,889.81
  5. Step 5: Solve for x
    x = 25,190,889.81/7,954.73
  6. Step 6: Final answer
    x = 3,166.78

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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.