Home / 11,912.42-17,867.36-4,893.16

Finding the Fourth Proportional to 11,912.42, 17,867.36 and 4,893.16

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Solution

The fourth proportional to 11,912.42, 17,867.36 and 4,893.16 is: 7,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,912.42 : 17,867.36 = 4,893.16 : x
  2. Step 2: Convert to fraction form
    11,912.42/17,867.36 = 4,893.16/x
  3. Step 3: Cross multiply
    11,912.42x = 17,867.36 × 4,893.16
  4. Step 4: Simplify right side
    11,912.42x = 87,427,851.26
  5. Step 5: Solve for x
    x = 87,427,851.26/11,912.42
  6. Step 6: Final answer
    x = 7,339.22

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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.