Home / 11,713.05-16,163.81-7,175.03

Finding the Fourth Proportional to 11,713.05, 16,163.81 and 7,175.03

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Solution

The fourth proportional to 11,713.05, 16,163.81 and 7,175.03 is: 9,901.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.05 : 16,163.81 = 7,175.03 : x
  2. Step 2: Convert to fraction form
    11,713.05/16,163.81 = 7,175.03/x
  3. Step 3: Cross multiply
    11,713.05x = 16,163.81 × 7,175.03
  4. Step 4: Simplify right side
    11,713.05x = 115,975,731.88
  5. Step 5: Solve for x
    x = 115,975,731.88/11,713.05
  6. Step 6: Final answer
    x = 9,901.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.