Home / 11,620.67-16,035.84-6,315.44

Finding the Fourth Proportional to 11,620.67, 16,035.84 and 6,315.44

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Solution

The fourth proportional to 11,620.67, 16,035.84 and 6,315.44 is: 8,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.67 : 16,035.84 = 6,315.44 : x
  2. Step 2: Convert to fraction form
    11,620.67/16,035.84 = 6,315.44/x
  3. Step 3: Cross multiply
    11,620.67x = 16,035.84 × 6,315.44
  4. Step 4: Simplify right side
    11,620.67x = 101,273,305.19
  5. Step 5: Solve for x
    x = 101,273,305.19/11,620.67
  6. Step 6: Final answer
    x = 8,714.93

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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.