Home / 11,067.70-15,278.61-7,925.62

Finding the Fourth Proportional to 11,067.70, 15,278.61 and 7,925.62

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Solution

The fourth proportional to 11,067.70, 15,278.61 and 7,925.62 is: 10,941.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.70 : 15,278.61 = 7,925.62 : x
  2. Step 2: Convert to fraction form
    11,067.70/15,278.61 = 7,925.62/x
  3. Step 3: Cross multiply
    11,067.70x = 15,278.61 × 7,925.62
  4. Step 4: Simplify right side
    11,067.70x = 121,092,456.99
  5. Step 5: Solve for x
    x = 121,092,456.99/11,067.70
  6. Step 6: Final answer
    x = 10,941.07

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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.