Home / 11,948.84-17,912.79-4,548.38

Finding the Fourth Proportional to 11,948.84, 17,912.79 and 4,548.38

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Solution

The fourth proportional to 11,948.84, 17,912.79 and 4,548.38 is: 6,818.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.84 : 17,912.79 = 4,548.38 : x
  2. Step 2: Convert to fraction form
    11,948.84/17,912.79 = 4,548.38/x
  3. Step 3: Cross multiply
    11,948.84x = 17,912.79 × 4,548.38
  4. Step 4: Simplify right side
    11,948.84x = 81,474,174.18
  5. Step 5: Solve for x
    x = 81,474,174.18/11,948.84
  6. Step 6: Final answer
    x = 6,818.58

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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.