Home / 9,787.88-14,681.82-2,862.38

Finding the Fourth Proportional to 9,787.88, 14,681.82 and 2,862.38

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Solution

The fourth proportional to 9,787.88, 14,681.82 and 2,862.38 is: 4,293.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.88 : 14,681.82 = 2,862.38 : x
  2. Step 2: Convert to fraction form
    9,787.88/14,681.82 = 2,862.38/x
  3. Step 3: Cross multiply
    9,787.88x = 14,681.82 × 2,862.38
  4. Step 4: Simplify right side
    9,787.88x = 42,024,947.93
  5. Step 5: Solve for x
    x = 42,024,947.93/9,787.88
  6. Step 6: Final answer
    x = 4,293.57

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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.