Home / 9,118.64-13,680.27-2,544.82

Finding the Fourth Proportional to 9,118.64, 13,680.27 and 2,544.82

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Solution

The fourth proportional to 9,118.64, 13,680.27 and 2,544.82 is: 3,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.64 : 13,680.27 = 2,544.82 : x
  2. Step 2: Convert to fraction form
    9,118.64/13,680.27 = 2,544.82/x
  3. Step 3: Cross multiply
    9,118.64x = 13,680.27 × 2,544.82
  4. Step 4: Simplify right side
    9,118.64x = 34,813,824.70
  5. Step 5: Solve for x
    x = 34,813,824.70/9,118.64
  6. Step 6: Final answer
    x = 3,817.87

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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.