Home / 9,197.42-12,692.70-5,218.43

Finding the Fourth Proportional to 9,197.42, 12,692.70 and 5,218.43

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Solution

The fourth proportional to 9,197.42, 12,692.70 and 5,218.43 is: 7,201.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,197.42 : 12,692.70 = 5,218.43 : x
  2. Step 2: Convert to fraction form
    9,197.42/12,692.70 = 5,218.43/x
  3. Step 3: Cross multiply
    9,197.42x = 12,692.70 × 5,218.43
  4. Step 4: Simplify right side
    9,197.42x = 66,235,903.00
  5. Step 5: Solve for x
    x = 66,235,903.00/9,197.42
  6. Step 6: Final answer
    x = 7,201.58

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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.