Home / 7,939.52-11,900.64-5,336

Finding the Fourth Proportional to 7,939.52, 11,900.64 and 5,336

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Solution

The fourth proportional to 7,939.52, 11,900.64 and 5,336 is: 7,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.52 : 11,900.64 = 5,336 : x
  2. Step 2: Convert to fraction form
    7,939.52/11,900.64 = 5,336/x
  3. Step 3: Cross multiply
    7,939.52x = 11,900.64 × 5,336
  4. Step 4: Simplify right side
    7,939.52x = 63,501,815.04
  5. Step 5: Solve for x
    x = 63,501,815.04/7,939.52
  6. Step 6: Final answer
    x = 7,998.19

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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.