Home / 10,976.82-16,465.20-5,137.53

Finding the Fourth Proportional to 10,976.82, 16,465.20 and 5,137.53

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Solution

The fourth proportional to 10,976.82, 16,465.20 and 5,137.53 is: 7,706.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.82 : 16,465.20 = 5,137.53 : x
  2. Step 2: Convert to fraction form
    10,976.82/16,465.20 = 5,137.53/x
  3. Step 3: Cross multiply
    10,976.82x = 16,465.20 × 5,137.53
  4. Step 4: Simplify right side
    10,976.82x = 84,590,458.96
  5. Step 5: Solve for x
    x = 84,590,458.96/10,976.82
  6. Step 6: Final answer
    x = 7,706.28

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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.