Home / 11,146.61-16,722.09-4,126.68

Finding the Fourth Proportional to 11,146.61, 16,722.09 and 4,126.68

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Solution

The fourth proportional to 11,146.61, 16,722.09 and 4,126.68 is: 6,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.61 : 16,722.09 = 4,126.68 : x
  2. Step 2: Convert to fraction form
    11,146.61/16,722.09 = 4,126.68/x
  3. Step 3: Cross multiply
    11,146.61x = 16,722.09 × 4,126.68
  4. Step 4: Simplify right side
    11,146.61x = 69,006,630.75
  5. Step 5: Solve for x
    x = 69,006,630.75/11,146.61
  6. Step 6: Final answer
    x = 6,190.82

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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.