Home / 10,927.82-16,387.94-6,761.46

Finding the Fourth Proportional to 10,927.82, 16,387.94 and 6,761.46

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Solution

The fourth proportional to 10,927.82, 16,387.94 and 6,761.46 is: 10,139.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.82 : 16,387.94 = 6,761.46 : x
  2. Step 2: Convert to fraction form
    10,927.82/16,387.94 = 6,761.46/x
  3. Step 3: Cross multiply
    10,927.82x = 16,387.94 × 6,761.46
  4. Step 4: Simplify right side
    10,927.82x = 110,806,400.79
  5. Step 5: Solve for x
    x = 110,806,400.79/10,927.82
  6. Step 6: Final answer
    x = 10,139.84

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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.