Home / 11,892.30-17,838.45-3,573.60

Finding the Fourth Proportional to 11,892.30, 17,838.45 and 3,573.60

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Solution

The fourth proportional to 11,892.30, 17,838.45 and 3,573.60 is: 5,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.30 : 17,838.45 = 3,573.60 : x
  2. Step 2: Convert to fraction form
    11,892.30/17,838.45 = 3,573.60/x
  3. Step 3: Cross multiply
    11,892.30x = 17,838.45 × 3,573.60
  4. Step 4: Simplify right side
    11,892.30x = 63,747,484.92
  5. Step 5: Solve for x
    x = 63,747,484.92/11,892.30
  6. Step 6: Final answer
    x = 5,360.40

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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.