Home / 7,934.43-11,901.80-2,090.82

Finding the Fourth Proportional to 7,934.43, 11,901.80 and 2,090.82

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Solution

The fourth proportional to 7,934.43, 11,901.80 and 2,090.82 is: 3,136.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.43 : 11,901.80 = 2,090.82 : x
  2. Step 2: Convert to fraction form
    7,934.43/11,901.80 = 2,090.82/x
  3. Step 3: Cross multiply
    7,934.43x = 11,901.80 × 2,090.82
  4. Step 4: Simplify right side
    7,934.43x = 24,884,511.02
  5. Step 5: Solve for x
    x = 24,884,511.02/7,934.43
  6. Step 6: Final answer
    x = 3,136.27

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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.