Home / 9,011.35-13,519.31-2,771.11

Finding the Fourth Proportional to 9,011.35, 13,519.31 and 2,771.11

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Solution

The fourth proportional to 9,011.35, 13,519.31 and 2,771.11 is: 4,157.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.35 : 13,519.31 = 2,771.11 : x
  2. Step 2: Convert to fraction form
    9,011.35/13,519.31 = 2,771.11/x
  3. Step 3: Cross multiply
    9,011.35x = 13,519.31 × 2,771.11
  4. Step 4: Simplify right side
    9,011.35x = 37,463,498.18
  5. Step 5: Solve for x
    x = 37,463,498.18/9,011.35
  6. Step 6: Final answer
    x = 4,157.37

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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.