Home / 11,103.76-16,636.96-5,174.26

Finding the Fourth Proportional to 11,103.76, 16,636.96 and 5,174.26

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Solution

The fourth proportional to 11,103.76, 16,636.96 and 5,174.26 is: 7,752.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.76 : 16,636.96 = 5,174.26 : x
  2. Step 2: Convert to fraction form
    11,103.76/16,636.96 = 5,174.26/x
  3. Step 3: Cross multiply
    11,103.76x = 16,636.96 × 5,174.26
  4. Step 4: Simplify right side
    11,103.76x = 86,083,956.65
  5. Step 5: Solve for x
    x = 86,083,956.65/11,103.76
  6. Step 6: Final answer
    x = 7,752.69

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1.5x scale

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.