Home / 11,157.85-16,736.71-2,837.80

Finding the Fourth Proportional to 11,157.85, 16,736.71 and 2,837.80

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Solution

The fourth proportional to 11,157.85, 16,736.71 and 2,837.80 is: 4,256.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.85 : 16,736.71 = 2,837.80 : x
  2. Step 2: Convert to fraction form
    11,157.85/16,736.71 = 2,837.80/x
  3. Step 3: Cross multiply
    11,157.85x = 16,736.71 × 2,837.80
  4. Step 4: Simplify right side
    11,157.85x = 47,495,362.23
  5. Step 5: Solve for x
    x = 47,495,362.23/11,157.85
  6. Step 6: Final answer
    x = 4,256.68

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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.