Home / 8,140.92-11,234.16-4,556.04

Finding the Fourth Proportional to 8,140.92, 11,234.16 and 4,556.04

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Solution

The fourth proportional to 8,140.92, 11,234.16 and 4,556.04 is: 6,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.92 : 11,234.16 = 4,556.04 : x
  2. Step 2: Convert to fraction form
    8,140.92/11,234.16 = 4,556.04/x
  3. Step 3: Cross multiply
    8,140.92x = 11,234.16 × 4,556.04
  4. Step 4: Simplify right side
    8,140.92x = 51,183,282.33
  5. Step 5: Solve for x
    x = 51,183,282.33/8,140.92
  6. Step 6: Final answer
    x = 6,287.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.