Home / 7,959.36-11,935.96-3,516.80

Finding the Fourth Proportional to 7,959.36, 11,935.96 and 3,516.80

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Solution

The fourth proportional to 7,959.36, 11,935.96 and 3,516.80 is: 5,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.36 : 11,935.96 = 3,516.80 : x
  2. Step 2: Convert to fraction form
    7,959.36/11,935.96 = 3,516.80/x
  3. Step 3: Cross multiply
    7,959.36x = 11,935.96 × 3,516.80
  4. Step 4: Simplify right side
    7,959.36x = 41,976,384.13
  5. Step 5: Solve for x
    x = 41,976,384.13/7,959.36
  6. Step 6: Final answer
    x = 5,273.84

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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.