Home / 10,067.23-15,027.20-9,335.40

Finding the Fourth Proportional to 10,067.23, 15,027.20 and 9,335.40

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Solution

The fourth proportional to 10,067.23, 15,027.20 and 9,335.40 is: 13,934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.23 : 15,027.20 = 9,335.40 : x
  2. Step 2: Convert to fraction form
    10,067.23/15,027.20 = 9,335.40/x
  3. Step 3: Cross multiply
    10,067.23x = 15,027.20 × 9,335.40
  4. Step 4: Simplify right side
    10,067.23x = 140,284,922.88
  5. Step 5: Solve for x
    x = 140,284,922.88/10,067.23
  6. Step 6: Final answer
    x = 13,934.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.