Home / 11,915.49-17,873.87-3,150.17

Finding the Fourth Proportional to 11,915.49, 17,873.87 and 3,150.17

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Solution

The fourth proportional to 11,915.49, 17,873.87 and 3,150.17 is: 4,725.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,915.49 : 17,873.87 = 3,150.17 : x
  2. Step 2: Convert to fraction form
    11,915.49/17,873.87 = 3,150.17/x
  3. Step 3: Cross multiply
    11,915.49x = 17,873.87 × 3,150.17
  4. Step 4: Simplify right side
    11,915.49x = 56,305,623.94
  5. Step 5: Solve for x
    x = 56,305,623.94/11,915.49
  6. Step 6: Final answer
    x = 4,725.41

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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.