Home / 11,202.88-16,743.85-9,786.18

Finding the Fourth Proportional to 11,202.88, 16,743.85 and 9,786.18

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Solution

The fourth proportional to 11,202.88, 16,743.85 and 9,786.18 is: 14,626.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,202.88 : 16,743.85 = 9,786.18 : x
  2. Step 2: Convert to fraction form
    11,202.88/16,743.85 = 9,786.18/x
  3. Step 3: Cross multiply
    11,202.88x = 16,743.85 × 9,786.18
  4. Step 4: Simplify right side
    11,202.88x = 163,858,329.99
  5. Step 5: Solve for x
    x = 163,858,329.99/11,202.88
  6. Step 6: Final answer
    x = 14,626.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.