Home / 9,179.62-13,769.40-2,605.82

Finding the Fourth Proportional to 9,179.62, 13,769.40 and 2,605.82

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Solution

The fourth proportional to 9,179.62, 13,769.40 and 2,605.82 is: 3,908.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.62 : 13,769.40 = 2,605.82 : x
  2. Step 2: Convert to fraction form
    9,179.62/13,769.40 = 2,605.82/x
  3. Step 3: Cross multiply
    9,179.62x = 13,769.40 × 2,605.82
  4. Step 4: Simplify right side
    9,179.62x = 35,880,509.06
  5. Step 5: Solve for x
    x = 35,880,509.06/9,179.62
  6. Step 6: Final answer
    x = 3,908.72

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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.