Home / 9,197.32-12,692.10-5,218.36

Finding the Fourth Proportional to 9,197.32, 12,692.10 and 5,218.36

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Solution

The fourth proportional to 9,197.32, 12,692.10 and 5,218.36 is: 7,201.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,197.32 : 12,692.10 = 5,218.36 : x
  2. Step 2: Convert to fraction form
    9,197.32/12,692.10 = 5,218.36/x
  3. Step 3: Cross multiply
    9,197.32x = 12,692.10 × 5,218.36
  4. Step 4: Simplify right side
    9,197.32x = 66,231,946.96
  5. Step 5: Solve for x
    x = 66,231,946.96/9,197.32
  6. Step 6: Final answer
    x = 7,201.22

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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.