Home / 11,155.36-16,731.76-3,364.16

Finding the Fourth Proportional to 11,155.36, 16,731.76 and 3,364.16

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Solution

The fourth proportional to 11,155.36, 16,731.76 and 3,364.16 is: 5,045.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.36 : 16,731.76 = 3,364.16 : x
  2. Step 2: Convert to fraction form
    11,155.36/16,731.76 = 3,364.16/x
  3. Step 3: Cross multiply
    11,155.36x = 16,731.76 × 3,364.16
  4. Step 4: Simplify right side
    11,155.36x = 56,288,317.72
  5. Step 5: Solve for x
    x = 56,288,317.72/11,155.36
  6. Step 6: Final answer
    x = 5,045.85

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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.