Home / 11,620.87-16,037.04-6,316.03

Finding the Fourth Proportional to 11,620.87, 16,037.04 and 6,316.03

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Solution

The fourth proportional to 11,620.87, 16,037.04 and 6,316.03 is: 8,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.87 : 16,037.04 = 6,316.03 : x
  2. Step 2: Convert to fraction form
    11,620.87/16,037.04 = 6,316.03/x
  3. Step 3: Cross multiply
    11,620.87x = 16,037.04 × 6,316.03
  4. Step 4: Simplify right side
    11,620.87x = 101,290,425.75
  5. Step 5: Solve for x
    x = 101,290,425.75/11,620.87
  6. Step 6: Final answer
    x = 8,716.25

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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.