Home / 11,821.86-17,734.71-3,502.68

Finding the Fourth Proportional to 11,821.86, 17,734.71 and 3,502.68

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Solution

The fourth proportional to 11,821.86, 17,734.71 and 3,502.68 is: 5,254.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.86 : 17,734.71 = 3,502.68 : x
  2. Step 2: Convert to fraction form
    11,821.86/17,734.71 = 3,502.68/x
  3. Step 3: Cross multiply
    11,821.86x = 17,734.71 × 3,502.68
  4. Step 4: Simplify right side
    11,821.86x = 62,119,014.02
  5. Step 5: Solve for x
    x = 62,119,014.02/11,821.86
  6. Step 6: Final answer
    x = 5,254.59

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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.