Home / 12,399.24-17,110.26-7,094.28

Finding the Fourth Proportional to 12,399.24, 17,110.26 and 7,094.28

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Solution

The fourth proportional to 12,399.24, 17,110.26 and 7,094.28 is: 9,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399.24 : 17,110.26 = 7,094.28 : x
  2. Step 2: Convert to fraction form
    12,399.24/17,110.26 = 7,094.28/x
  3. Step 3: Cross multiply
    12,399.24x = 17,110.26 × 7,094.28
  4. Step 4: Simplify right side
    12,399.24x = 121,384,975.31
  5. Step 5: Solve for x
    x = 121,384,975.31/12,399.24
  6. Step 6: Final answer
    x = 9,789.71

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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.