Home / 11,324.86-16,980.75-4,391.26

Finding the Fourth Proportional to 11,324.86, 16,980.75 and 4,391.26

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Solution

The fourth proportional to 11,324.86, 16,980.75 and 4,391.26 is: 6,584.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.86 : 16,980.75 = 4,391.26 : x
  2. Step 2: Convert to fraction form
    11,324.86/16,980.75 = 4,391.26/x
  3. Step 3: Cross multiply
    11,324.86x = 16,980.75 × 4,391.26
  4. Step 4: Simplify right side
    11,324.86x = 74,566,888.25
  5. Step 5: Solve for x
    x = 74,566,888.25/11,324.86
  6. Step 6: Final answer
    x = 6,584.35

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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.