Home / 11,737.96-17,608.40-3,841.28

Finding the Fourth Proportional to 11,737.96, 17,608.40 and 3,841.28

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Solution

The fourth proportional to 11,737.96, 17,608.40 and 3,841.28 is: 5,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,737.96 : 17,608.40 = 3,841.28 : x
  2. Step 2: Convert to fraction form
    11,737.96/17,608.40 = 3,841.28/x
  3. Step 3: Cross multiply
    11,737.96x = 17,608.40 × 3,841.28
  4. Step 4: Simplify right side
    11,737.96x = 67,638,794.75
  5. Step 5: Solve for x
    x = 67,638,794.75/11,737.96
  6. Step 6: Final answer
    x = 5,762.40

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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.