Home / 11,147.42-16,726.58-4,906.65

Finding the Fourth Proportional to 11,147.42, 16,726.58 and 4,906.65

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Solution

The fourth proportional to 11,147.42, 16,726.58 and 4,906.65 is: 7,362.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.42 : 16,726.58 = 4,906.65 : x
  2. Step 2: Convert to fraction form
    11,147.42/16,726.58 = 4,906.65/x
  3. Step 3: Cross multiply
    11,147.42x = 16,726.58 × 4,906.65
  4. Step 4: Simplify right side
    11,147.42x = 82,071,449.22
  5. Step 5: Solve for x
    x = 82,071,449.22/11,147.42
  6. Step 6: Final answer
    x = 7,362.37

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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.