Home / 13,092.57-18,067.20-7,124.25

Finding the Fourth Proportional to 13,092.57, 18,067.20 and 7,124.25

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Solution

The fourth proportional to 13,092.57, 18,067.20 and 7,124.25 is: 9,831.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092.57 : 18,067.20 = 7,124.25 : x
  2. Step 2: Convert to fraction form
    13,092.57/18,067.20 = 7,124.25/x
  3. Step 3: Cross multiply
    13,092.57x = 18,067.20 × 7,124.25
  4. Step 4: Simplify right side
    13,092.57x = 128,715,249.60
  5. Step 5: Solve for x
    x = 128,715,249.60/13,092.57
  6. Step 6: Final answer
    x = 9,831.17

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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.