Home / 10,067.60-15,117.60-6,795.20

Finding the Fourth Proportional to 10,067.60, 15,117.60 and 6,795.20

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Solution

The fourth proportional to 10,067.60, 15,117.60 and 6,795.20 is: 10,203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.60 : 15,117.60 = 6,795.20 : x
  2. Step 2: Convert to fraction form
    10,067.60/15,117.60 = 6,795.20/x
  3. Step 3: Cross multiply
    10,067.60x = 15,117.60 × 6,795.20
  4. Step 4: Simplify right side
    10,067.60x = 102,727,115.52
  5. Step 5: Solve for x
    x = 102,727,115.52/10,067.60
  6. Step 6: Final answer
    x = 10,203.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.