Home / 7,193.73-10,776.16-5,715.38

Finding the Fourth Proportional to 7,193.73, 10,776.16 and 5,715.38

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Solution

The fourth proportional to 7,193.73, 10,776.16 and 5,715.38 is: 8,561.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193.73 : 10,776.16 = 5,715.38 : x
  2. Step 2: Convert to fraction form
    7,193.73/10,776.16 = 5,715.38/x
  3. Step 3: Cross multiply
    7,193.73x = 10,776.16 × 5,715.38
  4. Step 4: Simplify right side
    7,193.73x = 61,589,766.88
  5. Step 5: Solve for x
    x = 61,589,766.88/7,193.73
  6. Step 6: Final answer
    x = 8,561.59

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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.