Home / 8,772.75-13,159.26-2,616.75

Finding the Fourth Proportional to 8,772.75, 13,159.26 and 2,616.75

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Solution

The fourth proportional to 8,772.75, 13,159.26 and 2,616.75 is: 3,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.75 : 13,159.26 = 2,616.75 : x
  2. Step 2: Convert to fraction form
    8,772.75/13,159.26 = 2,616.75/x
  3. Step 3: Cross multiply
    8,772.75x = 13,159.26 × 2,616.75
  4. Step 4: Simplify right side
    8,772.75x = 34,434,493.61
  5. Step 5: Solve for x
    x = 34,434,493.61/8,772.75
  6. Step 6: Final answer
    x = 3,925.17

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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.