Home / 8,093.16-11,135.12-6,321.68

Finding the Fourth Proportional to 8,093.16, 11,135.12 and 6,321.68

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Solution

The fourth proportional to 8,093.16, 11,135.12 and 6,321.68 is: 8,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093.16 : 11,135.12 = 6,321.68 : x
  2. Step 2: Convert to fraction form
    8,093.16/11,135.12 = 6,321.68/x
  3. Step 3: Cross multiply
    8,093.16x = 11,135.12 × 6,321.68
  4. Step 4: Simplify right side
    8,093.16x = 70,392,665.40
  5. Step 5: Solve for x
    x = 70,392,665.40/8,093.16
  6. Step 6: Final answer
    x = 8,697.80

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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.