Home / 11,617.40-17,428.26-3,612.44

Finding the Fourth Proportional to 11,617.40, 17,428.26 and 3,612.44

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Solution

The fourth proportional to 11,617.40, 17,428.26 and 3,612.44 is: 5,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.40 : 17,428.26 = 3,612.44 : x
  2. Step 2: Convert to fraction form
    11,617.40/17,428.26 = 3,612.44/x
  3. Step 3: Cross multiply
    11,617.40x = 17,428.26 × 3,612.44
  4. Step 4: Simplify right side
    11,617.40x = 62,958,543.55
  5. Step 5: Solve for x
    x = 62,958,543.55/11,617.40
  6. Step 6: Final answer
    x = 5,419.33

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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.