Home / 10,908.68-16,361.94-3,511.76

Finding the Fourth Proportional to 10,908.68, 16,361.94 and 3,511.76

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Solution

The fourth proportional to 10,908.68, 16,361.94 and 3,511.76 is: 5,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.68 : 16,361.94 = 3,511.76 : x
  2. Step 2: Convert to fraction form
    10,908.68/16,361.94 = 3,511.76/x
  3. Step 3: Cross multiply
    10,908.68x = 16,361.94 × 3,511.76
  4. Step 4: Simplify right side
    10,908.68x = 57,459,206.41
  5. Step 5: Solve for x
    x = 57,459,206.41/10,908.68
  6. Step 6: Final answer
    x = 5,267.29

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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.