Home / 11,477.75-17,209.44-4,812.44

Finding the Fourth Proportional to 11,477.75, 17,209.44 and 4,812.44

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Solution

The fourth proportional to 11,477.75, 17,209.44 and 4,812.44 is: 7,215.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.75 : 17,209.44 = 4,812.44 : x
  2. Step 2: Convert to fraction form
    11,477.75/17,209.44 = 4,812.44/x
  3. Step 3: Cross multiply
    11,477.75x = 17,209.44 × 4,812.44
  4. Step 4: Simplify right side
    11,477.75x = 82,819,311.39
  5. Step 5: Solve for x
    x = 82,819,311.39/11,477.75
  6. Step 6: Final answer
    x = 7,215.64

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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.