Home / 11,789.28-16,269.21-6,483.96

Finding the Fourth Proportional to 11,789.28, 16,269.21 and 6,483.96

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Solution

The fourth proportional to 11,789.28, 16,269.21 and 6,483.96 is: 8,947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.28 : 16,269.21 = 6,483.96 : x
  2. Step 2: Convert to fraction form
    11,789.28/16,269.21 = 6,483.96/x
  3. Step 3: Cross multiply
    11,789.28x = 16,269.21 × 6,483.96
  4. Step 4: Simplify right side
    11,789.28x = 105,488,906.87
  5. Step 5: Solve for x
    x = 105,488,906.87/11,789.28
  6. Step 6: Final answer
    x = 8,947.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.