Home / 11,167.20-16,738.56-4,590

Finding the Fourth Proportional to 11,167.20, 16,738.56 and 4,590

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Solution

The fourth proportional to 11,167.20, 16,738.56 and 4,590 is: 6,879.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.20 : 16,738.56 = 4,590 : x
  2. Step 2: Convert to fraction form
    11,167.20/16,738.56 = 4,590/x
  3. Step 3: Cross multiply
    11,167.20x = 16,738.56 × 4,590
  4. Step 4: Simplify right side
    11,167.20x = 76,829,990.40
  5. Step 5: Solve for x
    x = 76,829,990.40/11,167.20
  6. Step 6: Final answer
    x = 6,879.97

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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.