Home / 9,561.27-13,190.87-7,049.36

Finding the Fourth Proportional to 9,561.27, 13,190.87 and 7,049.36

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Solution

The fourth proportional to 9,561.27, 13,190.87 and 7,049.36 is: 9,725.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,561.27 : 13,190.87 = 7,049.36 : x
  2. Step 2: Convert to fraction form
    9,561.27/13,190.87 = 7,049.36/x
  3. Step 3: Cross multiply
    9,561.27x = 13,190.87 × 7,049.36
  4. Step 4: Simplify right side
    9,561.27x = 92,987,090.14
  5. Step 5: Solve for x
    x = 92,987,090.14/9,561.27
  6. Step 6: Final answer
    x = 9,725.39

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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.