Home / 11,425.75-17,138.16-3,527.94

Finding the Fourth Proportional to 11,425.75, 17,138.16 and 3,527.94

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Solution

The fourth proportional to 11,425.75, 17,138.16 and 3,527.94 is: 5,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.75 : 17,138.16 = 3,527.94 : x
  2. Step 2: Convert to fraction form
    11,425.75/17,138.16 = 3,527.94/x
  3. Step 3: Cross multiply
    11,425.75x = 17,138.16 × 3,527.94
  4. Step 4: Simplify right side
    11,425.75x = 60,462,400.19
  5. Step 5: Solve for x
    x = 60,462,400.19/11,425.75
  6. Step 6: Final answer
    x = 5,291.77

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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.