Home / 8,229.21-11,356.32-4,692.45

Finding the Fourth Proportional to 8,229.21, 11,356.32 and 4,692.45

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Solution

The fourth proportional to 8,229.21, 11,356.32 and 4,692.45 is: 6,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.21 : 11,356.32 = 4,692.45 : x
  2. Step 2: Convert to fraction form
    8,229.21/11,356.32 = 4,692.45/x
  3. Step 3: Cross multiply
    8,229.21x = 11,356.32 × 4,692.45
  4. Step 4: Simplify right side
    8,229.21x = 53,288,963.78
  5. Step 5: Solve for x
    x = 53,288,963.78/8,229.21
  6. Step 6: Final answer
    x = 6,475.59

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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.