Home / 11,915.02-17,871.99-4,124.44

Finding the Fourth Proportional to 11,915.02, 17,871.99 and 4,124.44

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Solution

The fourth proportional to 11,915.02, 17,871.99 and 4,124.44 is: 6,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,915.02 : 17,871.99 = 4,124.44 : x
  2. Step 2: Convert to fraction form
    11,915.02/17,871.99 = 4,124.44/x
  3. Step 3: Cross multiply
    11,915.02x = 17,871.99 × 4,124.44
  4. Step 4: Simplify right side
    11,915.02x = 73,711,950.44
  5. Step 5: Solve for x
    x = 73,711,950.44/11,915.02
  6. Step 6: Final answer
    x = 6,186.47

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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.