Home / 10,976.58-16,461.92-3,078.64

Finding the Fourth Proportional to 10,976.58, 16,461.92 and 3,078.64

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Solution

The fourth proportional to 10,976.58, 16,461.92 and 3,078.64 is: 4,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.58 : 16,461.92 = 3,078.64 : x
  2. Step 2: Convert to fraction form
    10,976.58/16,461.92 = 3,078.64/x
  3. Step 3: Cross multiply
    10,976.58x = 16,461.92 × 3,078.64
  4. Step 4: Simplify right side
    10,976.58x = 50,680,325.39
  5. Step 5: Solve for x
    x = 50,680,325.39/10,976.58
  6. Step 6: Final answer
    x = 4,617.13

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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.