Home / 10,976.63-16,465.19-3,957.21

Finding the Fourth Proportional to 10,976.63, 16,465.19 and 3,957.21

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Solution

The fourth proportional to 10,976.63, 16,465.19 and 3,957.21 is: 5,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.63 : 16,465.19 = 3,957.21 : x
  2. Step 2: Convert to fraction form
    10,976.63/16,465.19 = 3,957.21/x
  3. Step 3: Cross multiply
    10,976.63x = 16,465.19 × 3,957.21
  4. Step 4: Simplify right side
    10,976.63x = 65,156,194.73
  5. Step 5: Solve for x
    x = 65,156,194.73/10,976.63
  6. Step 6: Final answer
    x = 5,935.90

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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.