Home / 7,135.20-10,694.16-4,353.12

Finding the Fourth Proportional to 7,135.20, 10,694.16 and 4,353.12

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Solution

The fourth proportional to 7,135.20, 10,694.16 and 4,353.12 is: 6,524.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.20 : 10,694.16 = 4,353.12 : x
  2. Step 2: Convert to fraction form
    7,135.20/10,694.16 = 4,353.12/x
  3. Step 3: Cross multiply
    7,135.20x = 10,694.16 × 4,353.12
  4. Step 4: Simplify right side
    7,135.20x = 46,552,961.78
  5. Step 5: Solve for x
    x = 46,552,961.78/7,135.20
  6. Step 6: Final answer
    x = 6,524.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.