Home / 11,157.39-16,736.63-3,661.70

Finding the Fourth Proportional to 11,157.39, 16,736.63 and 3,661.70

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Solution

The fourth proportional to 11,157.39, 16,736.63 and 3,661.70 is: 5,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.39 : 16,736.63 = 3,661.70 : x
  2. Step 2: Convert to fraction form
    11,157.39/16,736.63 = 3,661.70/x
  3. Step 3: Cross multiply
    11,157.39x = 16,736.63 × 3,661.70
  4. Step 4: Simplify right side
    11,157.39x = 61,284,518.07
  5. Step 5: Solve for x
    x = 61,284,518.07/11,157.39
  6. Step 6: Final answer
    x = 5,492.73

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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.