Home / 7,790.96-11,679.96-6,067.28

Finding the Fourth Proportional to 7,790.96, 11,679.96 and 6,067.28

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Solution

The fourth proportional to 7,790.96, 11,679.96 and 6,067.28 is: 9,095.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.96 : 11,679.96 = 6,067.28 : x
  2. Step 2: Convert to fraction form
    7,790.96/11,679.96 = 6,067.28/x
  3. Step 3: Cross multiply
    7,790.96x = 11,679.96 × 6,067.28
  4. Step 4: Simplify right side
    7,790.96x = 70,865,587.71
  5. Step 5: Solve for x
    x = 70,865,587.71/7,790.96
  6. Step 6: Final answer
    x = 9,095.87

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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.