Home / 7,519.21-11,270.09-2,836.22

Finding the Fourth Proportional to 7,519.21, 11,270.09 and 2,836.22

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Solution

The fourth proportional to 7,519.21, 11,270.09 and 2,836.22 is: 4,251.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.21 : 11,270.09 = 2,836.22 : x
  2. Step 2: Convert to fraction form
    7,519.21/11,270.09 = 2,836.22/x
  3. Step 3: Cross multiply
    7,519.21x = 11,270.09 × 2,836.22
  4. Step 4: Simplify right side
    7,519.21x = 31,964,389.45
  5. Step 5: Solve for x
    x = 31,964,389.45/7,519.21
  6. Step 6: Final answer
    x = 4,251.03

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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.