Home / 11,620.05-16,035.15-6,314.73

Finding the Fourth Proportional to 11,620.05, 16,035.15 and 6,314.73

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Solution

The fourth proportional to 11,620.05, 16,035.15 and 6,314.73 is: 8,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.05 : 16,035.15 = 6,314.73 : x
  2. Step 2: Convert to fraction form
    11,620.05/16,035.15 = 6,314.73/x
  3. Step 3: Cross multiply
    11,620.05x = 16,035.15 × 6,314.73
  4. Step 4: Simplify right side
    11,620.05x = 101,257,642.76
  5. Step 5: Solve for x
    x = 101,257,642.76/11,620.05
  6. Step 6: Final answer
    x = 8,714.05

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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.