Home / 11,519.92-17,276.28-3,727.12

Finding the Fourth Proportional to 11,519.92, 17,276.28 and 3,727.12

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Solution

The fourth proportional to 11,519.92, 17,276.28 and 3,727.12 is: 5,589.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.92 : 17,276.28 = 3,727.12 : x
  2. Step 2: Convert to fraction form
    11,519.92/17,276.28 = 3,727.12/x
  3. Step 3: Cross multiply
    11,519.92x = 17,276.28 × 3,727.12
  4. Step 4: Simplify right side
    11,519.92x = 64,390,768.71
  5. Step 5: Solve for x
    x = 64,390,768.71/11,519.92
  6. Step 6: Final answer
    x = 5,589.52

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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.