Home / 10,726.44-16,089.66-4,879.08

Finding the Fourth Proportional to 10,726.44, 16,089.66 and 4,879.08

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Solution

The fourth proportional to 10,726.44, 16,089.66 and 4,879.08 is: 7,318.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,726.44 : 16,089.66 = 4,879.08 : x
  2. Step 2: Convert to fraction form
    10,726.44/16,089.66 = 4,879.08/x
  3. Step 3: Cross multiply
    10,726.44x = 16,089.66 × 4,879.08
  4. Step 4: Simplify right side
    10,726.44x = 78,502,738.31
  5. Step 5: Solve for x
    x = 78,502,738.31/10,726.44
  6. Step 6: Final answer
    x = 7,318.62

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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.