Home / 11,224.09-16,838.55-3,432.70

Finding the Fourth Proportional to 11,224.09, 16,838.55 and 3,432.70

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Solution

The fourth proportional to 11,224.09, 16,838.55 and 3,432.70 is: 5,149.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.09 : 16,838.55 = 3,432.70 : x
  2. Step 2: Convert to fraction form
    11,224.09/16,838.55 = 3,432.70/x
  3. Step 3: Cross multiply
    11,224.09x = 16,838.55 × 3,432.70
  4. Step 4: Simplify right side
    11,224.09x = 57,801,690.59
  5. Step 5: Solve for x
    x = 57,801,690.59/11,224.09
  6. Step 6: Final answer
    x = 5,149.79

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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.