Home / 11,620.86-16,037.10-6,316.02

Finding the Fourth Proportional to 11,620.86, 16,037.10 and 6,316.02

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Solution

The fourth proportional to 11,620.86, 16,037.10 and 6,316.02 is: 8,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.86 : 16,037.10 = 6,316.02 : x
  2. Step 2: Convert to fraction form
    11,620.86/16,037.10 = 6,316.02/x
  3. Step 3: Cross multiply
    11,620.86x = 16,037.10 × 6,316.02
  4. Step 4: Simplify right side
    11,620.86x = 101,290,644.34
  5. Step 5: Solve for x
    x = 101,290,644.34/11,620.86
  6. Step 6: Final answer
    x = 8,716.28

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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.