Home / 11,072.80-16,613.68-4,497.28

Finding the Fourth Proportional to 11,072.80, 16,613.68 and 4,497.28

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Solution

The fourth proportional to 11,072.80, 16,613.68 and 4,497.28 is: 6,747.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.80 : 16,613.68 = 4,497.28 : x
  2. Step 2: Convert to fraction form
    11,072.80/16,613.68 = 4,497.28/x
  3. Step 3: Cross multiply
    11,072.80x = 16,613.68 × 4,497.28
  4. Step 4: Simplify right side
    11,072.80x = 74,716,370.79
  5. Step 5: Solve for x
    x = 74,716,370.79/11,072.80
  6. Step 6: Final answer
    x = 6,747.74

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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.