Home / 11,515.41-17,244.77-7,343.10

Finding the Fourth Proportional to 11,515.41, 17,244.77 and 7,343.10

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Solution

The fourth proportional to 11,515.41, 17,244.77 and 7,343.10 is: 10,996.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.41 : 17,244.77 = 7,343.10 : x
  2. Step 2: Convert to fraction form
    11,515.41/17,244.77 = 7,343.10/x
  3. Step 3: Cross multiply
    11,515.41x = 17,244.77 × 7,343.10
  4. Step 4: Simplify right side
    11,515.41x = 126,630,033.87
  5. Step 5: Solve for x
    x = 126,630,033.87/11,515.41
  6. Step 6: Final answer
    x = 10,996.57

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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.