Home / 7,892.09-11,835.69-2,696.75

Finding the Fourth Proportional to 7,892.09, 11,835.69 and 2,696.75

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Solution

The fourth proportional to 7,892.09, 11,835.69 and 2,696.75 is: 4,044.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892.09 : 11,835.69 = 2,696.75 : x
  2. Step 2: Convert to fraction form
    7,892.09/11,835.69 = 2,696.75/x
  3. Step 3: Cross multiply
    7,892.09x = 11,835.69 × 2,696.75
  4. Step 4: Simplify right side
    7,892.09x = 31,917,897.01
  5. Step 5: Solve for x
    x = 31,917,897.01/7,892.09
  6. Step 6: Final answer
    x = 4,044.29

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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.