Home / 8,229.52-11,356.64-4,692.72

Finding the Fourth Proportional to 8,229.52, 11,356.64 and 4,692.72

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Solution

The fourth proportional to 8,229.52, 11,356.64 and 4,692.72 is: 6,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.52 : 11,356.64 = 4,692.72 : x
  2. Step 2: Convert to fraction form
    8,229.52/11,356.64 = 4,692.72/x
  3. Step 3: Cross multiply
    8,229.52x = 11,356.64 × 4,692.72
  4. Step 4: Simplify right side
    8,229.52x = 53,293,531.66
  5. Step 5: Solve for x
    x = 53,293,531.66/8,229.52
  6. Step 6: Final answer
    x = 6,475.90

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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.