Home / 11,158.78-16,764.09-6,545.02

Finding the Fourth Proportional to 11,158.78, 16,764.09 and 6,545.02

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Solution

The fourth proportional to 11,158.78, 16,764.09 and 6,545.02 is: 9,832.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,158.78 : 16,764.09 = 6,545.02 : x
  2. Step 2: Convert to fraction form
    11,158.78/16,764.09 = 6,545.02/x
  3. Step 3: Cross multiply
    11,158.78x = 16,764.09 × 6,545.02
  4. Step 4: Simplify right side
    11,158.78x = 109,721,304.33
  5. Step 5: Solve for x
    x = 109,721,304.33/11,158.78
  6. Step 6: Final answer
    x = 9,832.73

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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.