Home / 11,121.23-16,681.83-4,460.73

Finding the Fourth Proportional to 11,121.23, 16,681.83 and 4,460.73

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Solution

The fourth proportional to 11,121.23, 16,681.83 and 4,460.73 is: 6,691.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.23 : 16,681.83 = 4,460.73 : x
  2. Step 2: Convert to fraction form
    11,121.23/16,681.83 = 4,460.73/x
  3. Step 3: Cross multiply
    11,121.23x = 16,681.83 × 4,460.73
  4. Step 4: Simplify right side
    11,121.23x = 74,413,139.54
  5. Step 5: Solve for x
    x = 74,413,139.54/11,121.23
  6. Step 6: Final answer
    x = 6,691.09

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1.5x scale

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.