Home / 11,216.35-16,824.16-4,640.59

Finding the Fourth Proportional to 11,216.35, 16,824.16 and 4,640.59

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Solution

The fourth proportional to 11,216.35, 16,824.16 and 4,640.59 is: 6,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.35 : 16,824.16 = 4,640.59 : x
  2. Step 2: Convert to fraction form
    11,216.35/16,824.16 = 4,640.59/x
  3. Step 3: Cross multiply
    11,216.35x = 16,824.16 × 4,640.59
  4. Step 4: Simplify right side
    11,216.35x = 78,074,028.65
  5. Step 5: Solve for x
    x = 78,074,028.65/11,216.35
  6. Step 6: Final answer
    x = 6,960.73

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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.