Home / 10,998.22-16,499.07-3,977.51

Finding the Fourth Proportional to 10,998.22, 16,499.07 and 3,977.51

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Solution

The fourth proportional to 10,998.22, 16,499.07 and 3,977.51 is: 5,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.22 : 16,499.07 = 3,977.51 : x
  2. Step 2: Convert to fraction form
    10,998.22/16,499.07 = 3,977.51/x
  3. Step 3: Cross multiply
    10,998.22x = 16,499.07 × 3,977.51
  4. Step 4: Simplify right side
    10,998.22x = 65,625,251.81
  5. Step 5: Solve for x
    x = 65,625,251.81/10,998.22
  6. Step 6: Final answer
    x = 5,966.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.