Home / 11,515.84-17,276.32-3,724.48

Finding the Fourth Proportional to 11,515.84, 17,276.32 and 3,724.48

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Solution

The fourth proportional to 11,515.84, 17,276.32 and 3,724.48 is: 5,587.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.84 : 17,276.32 = 3,724.48 : x
  2. Step 2: Convert to fraction form
    11,515.84/17,276.32 = 3,724.48/x
  3. Step 3: Cross multiply
    11,515.84x = 17,276.32 × 3,724.48
  4. Step 4: Simplify right side
    11,515.84x = 64,345,308.31
  5. Step 5: Solve for x
    x = 64,345,308.31/11,515.84
  6. Step 6: Final answer
    x = 5,587.55

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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.