Home / 11,689.44-17,541.36-4,763.92

Finding the Fourth Proportional to 11,689.44, 17,541.36 and 4,763.92

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Solution

The fourth proportional to 11,689.44, 17,541.36 and 4,763.92 is: 7,148.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689.44 : 17,541.36 = 4,763.92 : x
  2. Step 2: Convert to fraction form
    11,689.44/17,541.36 = 4,763.92/x
  3. Step 3: Cross multiply
    11,689.44x = 17,541.36 × 4,763.92
  4. Step 4: Simplify right side
    11,689.44x = 83,565,635.73
  5. Step 5: Solve for x
    x = 83,565,635.73/11,689.44
  6. Step 6: Final answer
    x = 7,148.81

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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.