Home / 11,177.20-16,765.80-9,506.80

Finding the Fourth Proportional to 11,177.20, 16,765.80 and 9,506.80

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Solution

The fourth proportional to 11,177.20, 16,765.80 and 9,506.80 is: 14,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.20 : 16,765.80 = 9,506.80 : x
  2. Step 2: Convert to fraction form
    11,177.20/16,765.80 = 9,506.80/x
  3. Step 3: Cross multiply
    11,177.20x = 16,765.80 × 9,506.80
  4. Step 4: Simplify right side
    11,177.20x = 159,389,107.44
  5. Step 5: Solve for x
    x = 159,389,107.44/11,177.20
  6. Step 6: Final answer
    x = 14,260.20

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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.