Home / 10,517.82-15,776.65-3,495.84

Finding the Fourth Proportional to 10,517.82, 15,776.65 and 3,495.84

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Solution

The fourth proportional to 10,517.82, 15,776.65 and 3,495.84 is: 5,243.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.82 : 15,776.65 = 3,495.84 : x
  2. Step 2: Convert to fraction form
    10,517.82/15,776.65 = 3,495.84/x
  3. Step 3: Cross multiply
    10,517.82x = 15,776.65 × 3,495.84
  4. Step 4: Simplify right side
    10,517.82x = 55,152,644.14
  5. Step 5: Solve for x
    x = 55,152,644.14/10,517.82
  6. Step 6: Final answer
    x = 5,243.73

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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.