Home / 11,513.40-17,273.10-3,722.40

Finding the Fourth Proportional to 11,513.40, 17,273.10 and 3,722.40

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Solution

The fourth proportional to 11,513.40, 17,273.10 and 3,722.40 is: 5,584.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.40 : 17,273.10 = 3,722.40 : x
  2. Step 2: Convert to fraction form
    11,513.40/17,273.10 = 3,722.40/x
  3. Step 3: Cross multiply
    11,513.40x = 17,273.10 × 3,722.40
  4. Step 4: Simplify right side
    11,513.40x = 64,297,387.44
  5. Step 5: Solve for x
    x = 64,297,387.44/11,513.40
  6. Step 6: Final answer
    x = 5,584.57

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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.