Home / 11,147.25-16,722.27-4,126.08

Finding the Fourth Proportional to 11,147.25, 16,722.27 and 4,126.08

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Solution

The fourth proportional to 11,147.25, 16,722.27 and 4,126.08 is: 6,189.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.25 : 16,722.27 = 4,126.08 : x
  2. Step 2: Convert to fraction form
    11,147.25/16,722.27 = 4,126.08/x
  3. Step 3: Cross multiply
    11,147.25x = 16,722.27 × 4,126.08
  4. Step 4: Simplify right side
    11,147.25x = 68,997,423.80
  5. Step 5: Solve for x
    x = 68,997,423.80/11,147.25
  6. Step 6: Final answer
    x = 6,189.64

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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.