Home / 11,317.20-16,975.71-6,155.88

Finding the Fourth Proportional to 11,317.20, 16,975.71 and 6,155.88

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Solution

The fourth proportional to 11,317.20, 16,975.71 and 6,155.88 is: 9,233.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.20 : 16,975.71 = 6,155.88 : x
  2. Step 2: Convert to fraction form
    11,317.20/16,975.71 = 6,155.88/x
  3. Step 3: Cross multiply
    11,317.20x = 16,975.71 × 6,155.88
  4. Step 4: Simplify right side
    11,317.20x = 104,500,433.67
  5. Step 5: Solve for x
    x = 104,500,433.67/11,317.20
  6. Step 6: Final answer
    x = 9,233.77

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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.