Home / 9,197.07-12,692.66-5,218.35

Finding the Fourth Proportional to 9,197.07, 12,692.66 and 5,218.35

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Solution

The fourth proportional to 9,197.07, 12,692.66 and 5,218.35 is: 7,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,197.07 : 12,692.66 = 5,218.35 : x
  2. Step 2: Convert to fraction form
    9,197.07/12,692.66 = 5,218.35/x
  3. Step 3: Cross multiply
    9,197.07x = 12,692.66 × 5,218.35
  4. Step 4: Simplify right side
    9,197.07x = 66,234,742.31
  5. Step 5: Solve for x
    x = 66,234,742.31/9,197.07
  6. Step 6: Final answer
    x = 7,201.72

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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.