Home / 11,146.98-16,720.52-2,827.02

Finding the Fourth Proportional to 11,146.98, 16,720.52 and 2,827.02

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Solution

The fourth proportional to 11,146.98, 16,720.52 and 2,827.02 is: 4,240.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.98 : 16,720.52 = 2,827.02 : x
  2. Step 2: Convert to fraction form
    11,146.98/16,720.52 = 2,827.02/x
  3. Step 3: Cross multiply
    11,146.98x = 16,720.52 × 2,827.02
  4. Step 4: Simplify right side
    11,146.98x = 47,269,244.45
  5. Step 5: Solve for x
    x = 47,269,244.45/11,146.98
  6. Step 6: Final answer
    x = 4,240.54

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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.