Home / 11,472.87-17,214.27-6,211.61

Finding the Fourth Proportional to 11,472.87, 17,214.27 and 6,211.61

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Solution

The fourth proportional to 11,472.87, 17,214.27 and 6,211.61 is: 9,320.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.87 : 17,214.27 = 6,211.61 : x
  2. Step 2: Convert to fraction form
    11,472.87/17,214.27 = 6,211.61/x
  3. Step 3: Cross multiply
    11,472.87x = 17,214.27 × 6,211.61
  4. Step 4: Simplify right side
    11,472.87x = 106,928,370.22
  5. Step 5: Solve for x
    x = 106,928,370.22/11,472.87
  6. Step 6: Final answer
    x = 9,320.11

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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.