Home / 9,769.20-14,639.81-7,540.26

Finding the Fourth Proportional to 9,769.20, 14,639.81 and 7,540.26

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Solution

The fourth proportional to 9,769.20, 14,639.81 and 7,540.26 is: 11,299.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,769.20 : 14,639.81 = 7,540.26 : x
  2. Step 2: Convert to fraction form
    9,769.20/14,639.81 = 7,540.26/x
  3. Step 3: Cross multiply
    9,769.20x = 14,639.81 × 7,540.26
  4. Step 4: Simplify right side
    9,769.20x = 110,387,936.05
  5. Step 5: Solve for x
    x = 110,387,936.05/9,769.20
  6. Step 6: Final answer
    x = 11,299.59

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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.