Home / 11,193.20-16,789.76-10,947.16

Finding the Fourth Proportional to 11,193.20, 16,789.76 and 10,947.16

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Solution

The fourth proportional to 11,193.20, 16,789.76 and 10,947.16 is: 16,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.20 : 16,789.76 = 10,947.16 : x
  2. Step 2: Convert to fraction form
    11,193.20/16,789.76 = 10,947.16/x
  3. Step 3: Cross multiply
    11,193.20x = 16,789.76 × 10,947.16
  4. Step 4: Simplify right side
    11,193.20x = 183,800,189.08
  5. Step 5: Solve for x
    x = 183,800,189.08/11,193.20
  6. Step 6: Final answer
    x = 16,420.70

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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.