Home / 10,738.50-16,107.75-2,947.31

Finding the Fourth Proportional to 10,738.50, 16,107.75 and 2,947.31

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Solution

The fourth proportional to 10,738.50, 16,107.75 and 2,947.31 is: 4,420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,738.50 : 16,107.75 = 2,947.31 : x
  2. Step 2: Convert to fraction form
    10,738.50/16,107.75 = 2,947.31/x
  3. Step 3: Cross multiply
    10,738.50x = 16,107.75 × 2,947.31
  4. Step 4: Simplify right side
    10,738.50x = 47,474,572.92
  5. Step 5: Solve for x
    x = 47,474,572.92/10,738.50
  6. Step 6: Final answer
    x = 4,420.97

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Similar ratio
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1.5x scale

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.