Home / 8,336.16-12,511.68-6,139.44

Finding the Fourth Proportional to 8,336.16, 12,511.68 and 6,139.44

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Solution

The fourth proportional to 8,336.16, 12,511.68 and 6,139.44 is: 9,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.16 : 12,511.68 = 6,139.44 : x
  2. Step 2: Convert to fraction form
    8,336.16/12,511.68 = 6,139.44/x
  3. Step 3: Cross multiply
    8,336.16x = 12,511.68 × 6,139.44
  4. Step 4: Simplify right side
    8,336.16x = 76,814,708.66
  5. Step 5: Solve for x
    x = 76,814,708.66/8,336.16
  6. Step 6: Final answer
    x = 9,214.64

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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.