Home / 7,694.40-11,542.56-2,499.12

Finding the Fourth Proportional to 7,694.40, 11,542.56 and 2,499.12

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Solution

The fourth proportional to 7,694.40, 11,542.56 and 2,499.12 is: 3,748.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,694.40 : 11,542.56 = 2,499.12 : x
  2. Step 2: Convert to fraction form
    7,694.40/11,542.56 = 2,499.12/x
  3. Step 3: Cross multiply
    7,694.40x = 11,542.56 × 2,499.12
  4. Step 4: Simplify right side
    7,694.40x = 28,846,242.55
  5. Step 5: Solve for x
    x = 28,846,242.55/7,694.40
  6. Step 6: Final answer
    x = 3,748.99

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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.