Home / 11,227.06-16,840.67-4,985.38

Finding the Fourth Proportional to 11,227.06, 16,840.67 and 4,985.38

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Solution

The fourth proportional to 11,227.06, 16,840.67 and 4,985.38 is: 7,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.06 : 16,840.67 = 4,985.38 : x
  2. Step 2: Convert to fraction form
    11,227.06/16,840.67 = 4,985.38/x
  3. Step 3: Cross multiply
    11,227.06x = 16,840.67 × 4,985.38
  4. Step 4: Simplify right side
    11,227.06x = 83,957,078.50
  5. Step 5: Solve for x
    x = 83,957,078.50/11,227.06
  6. Step 6: Final answer
    x = 7,478.10

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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.