Home / 7,691.72-11,533.26-2,496.20

Finding the Fourth Proportional to 7,691.72, 11,533.26 and 2,496.20

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Solution

The fourth proportional to 7,691.72, 11,533.26 and 2,496.20 is: 3,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691.72 : 11,533.26 = 2,496.20 : x
  2. Step 2: Convert to fraction form
    7,691.72/11,533.26 = 2,496.20/x
  3. Step 3: Cross multiply
    7,691.72x = 11,533.26 × 2,496.20
  4. Step 4: Simplify right side
    7,691.72x = 28,789,323.61
  5. Step 5: Solve for x
    x = 28,789,323.61/7,691.72
  6. Step 6: Final answer
    x = 3,742.90

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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.