Home / 11,787.75-17,689.73-4,862.25

Finding the Fourth Proportional to 11,787.75, 17,689.73 and 4,862.25

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Solution

The fourth proportional to 11,787.75, 17,689.73 and 4,862.25 is: 7,296.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.75 : 17,689.73 = 4,862.25 : x
  2. Step 2: Convert to fraction form
    11,787.75/17,689.73 = 4,862.25/x
  3. Step 3: Cross multiply
    11,787.75x = 17,689.73 × 4,862.25
  4. Step 4: Simplify right side
    11,787.75x = 86,011,865.38
  5. Step 5: Solve for x
    x = 86,011,865.38/11,787.75
  6. Step 6: Final answer
    x = 7,296.72

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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.