Home / 11,915.04-17,871.80-4,893.24

Finding the Fourth Proportional to 11,915.04, 17,871.80 and 4,893.24

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Solution

The fourth proportional to 11,915.04, 17,871.80 and 4,893.24 is: 7,339.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,915.04 : 17,871.80 = 4,893.24 : x
  2. Step 2: Convert to fraction form
    11,915.04/17,871.80 = 4,893.24/x
  3. Step 3: Cross multiply
    11,915.04x = 17,871.80 × 4,893.24
  4. Step 4: Simplify right side
    11,915.04x = 87,450,982.17
  5. Step 5: Solve for x
    x = 87,450,982.17/11,915.04
  6. Step 6: Final answer
    x = 7,339.55

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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.