Home / 11,500.24-17,247.27-3,178.30

Finding the Fourth Proportional to 11,500.24, 17,247.27 and 3,178.30

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Solution

The fourth proportional to 11,500.24, 17,247.27 and 3,178.30 is: 4,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,500.24 : 17,247.27 = 3,178.30 : x
  2. Step 2: Convert to fraction form
    11,500.24/17,247.27 = 3,178.30/x
  3. Step 3: Cross multiply
    11,500.24x = 17,247.27 × 3,178.30
  4. Step 4: Simplify right side
    11,500.24x = 54,816,998.24
  5. Step 5: Solve for x
    x = 54,816,998.24/11,500.24
  6. Step 6: Final answer
    x = 4,766.60

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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.