Home / 11,118.47-16,676.46-2,798.49

Finding the Fourth Proportional to 11,118.47, 16,676.46 and 2,798.49

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Solution

The fourth proportional to 11,118.47, 16,676.46 and 2,798.49 is: 4,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.47 : 16,676.46 = 2,798.49 : x
  2. Step 2: Convert to fraction form
    11,118.47/16,676.46 = 2,798.49/x
  3. Step 3: Cross multiply
    11,118.47x = 16,676.46 × 2,798.49
  4. Step 4: Simplify right side
    11,118.47x = 46,668,854.50
  5. Step 5: Solve for x
    x = 46,668,854.50/11,118.47
  6. Step 6: Final answer
    x = 4,197.42

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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.