Home / 10,911.28-16,366.92-2,703.28

Finding the Fourth Proportional to 10,911.28, 16,366.92 and 2,703.28

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Solution

The fourth proportional to 10,911.28, 16,366.92 and 2,703.28 is: 4,054.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.28 : 16,366.92 = 2,703.28 : x
  2. Step 2: Convert to fraction form
    10,911.28/16,366.92 = 2,703.28/x
  3. Step 3: Cross multiply
    10,911.28x = 16,366.92 × 2,703.28
  4. Step 4: Simplify right side
    10,911.28x = 44,244,367.50
  5. Step 5: Solve for x
    x = 44,244,367.50/10,911.28
  6. Step 6: Final answer
    x = 4,054.92

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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.