Home / 11,826.64-17,741.33-3,929.86

Finding the Fourth Proportional to 11,826.64, 17,741.33 and 3,929.86

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Solution

The fourth proportional to 11,826.64, 17,741.33 and 3,929.86 is: 5,895.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.64 : 17,741.33 = 3,929.86 : x
  2. Step 2: Convert to fraction form
    11,826.64/17,741.33 = 3,929.86/x
  3. Step 3: Cross multiply
    11,826.64x = 17,741.33 × 3,929.86
  4. Step 4: Simplify right side
    11,826.64x = 69,720,943.11
  5. Step 5: Solve for x
    x = 69,720,943.11/11,826.64
  6. Step 6: Final answer
    x = 5,895.25

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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.