Home / 8,645.19-11,930.93-6,516.97

Finding the Fourth Proportional to 8,645.19, 11,930.93 and 6,516.97

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Solution

The fourth proportional to 8,645.19, 11,930.93 and 6,516.97 is: 8,993.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645.19 : 11,930.93 = 6,516.97 : x
  2. Step 2: Convert to fraction form
    8,645.19/11,930.93 = 6,516.97/x
  3. Step 3: Cross multiply
    8,645.19x = 11,930.93 × 6,516.97
  4. Step 4: Simplify right side
    8,645.19x = 77,753,512.88
  5. Step 5: Solve for x
    x = 77,753,512.88/8,645.19
  6. Step 6: Final answer
    x = 8,993.85

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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.