Home / 11,474.81-17,212.01-3,154.79

Finding the Fourth Proportional to 11,474.81, 17,212.01 and 3,154.79

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Solution

The fourth proportional to 11,474.81, 17,212.01 and 3,154.79 is: 4,732.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,474.81 : 17,212.01 = 3,154.79 : x
  2. Step 2: Convert to fraction form
    11,474.81/17,212.01 = 3,154.79/x
  3. Step 3: Cross multiply
    11,474.81x = 17,212.01 × 3,154.79
  4. Step 4: Simplify right side
    11,474.81x = 54,300,304.28
  5. Step 5: Solve for x
    x = 54,300,304.28/11,474.81
  6. Step 6: Final answer
    x = 4,732.13

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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.