Home / 9,173.66-13,756.43-3,911.09

Finding the Fourth Proportional to 9,173.66, 13,756.43 and 3,911.09

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Solution

The fourth proportional to 9,173.66, 13,756.43 and 3,911.09 is: 5,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.66 : 13,756.43 = 3,911.09 : x
  2. Step 2: Convert to fraction form
    9,173.66/13,756.43 = 3,911.09/x
  3. Step 3: Cross multiply
    9,173.66x = 13,756.43 × 3,911.09
  4. Step 4: Simplify right side
    9,173.66x = 53,802,576.80
  5. Step 5: Solve for x
    x = 53,802,576.80/9,173.66
  6. Step 6: Final answer
    x = 5,864.90

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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.