Home / 11,813.13-17,716.46-4,415.13

Finding the Fourth Proportional to 11,813.13, 17,716.46 and 4,415.13

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Solution

The fourth proportional to 11,813.13, 17,716.46 and 4,415.13 is: 6,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.13 : 17,716.46 = 4,415.13 : x
  2. Step 2: Convert to fraction form
    11,813.13/17,716.46 = 4,415.13/x
  3. Step 3: Cross multiply
    11,813.13x = 17,716.46 × 4,415.13
  4. Step 4: Simplify right side
    11,813.13x = 78,220,451.96
  5. Step 5: Solve for x
    x = 78,220,451.96/11,813.13
  6. Step 6: Final answer
    x = 6,621.48

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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.