Home / 9,197.69-12,692.82-5,218.02

Finding the Fourth Proportional to 9,197.69, 12,692.82 and 5,218.02

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Solution

The fourth proportional to 9,197.69, 12,692.82 and 5,218.02 is: 7,200.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,197.69 : 12,692.82 = 5,218.02 : x
  2. Step 2: Convert to fraction form
    9,197.69/12,692.82 = 5,218.02/x
  3. Step 3: Cross multiply
    9,197.69x = 12,692.82 × 5,218.02
  4. Step 4: Simplify right side
    9,197.69x = 66,231,388.62
  5. Step 5: Solve for x
    x = 66,231,388.62/9,197.69
  6. Step 6: Final answer
    x = 7,200.88

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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.