Home / 8,829.39-12,183.56-5,243.06

Finding the Fourth Proportional to 8,829.39, 12,183.56 and 5,243.06

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Solution

The fourth proportional to 8,829.39, 12,183.56 and 5,243.06 is: 7,234.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.39 : 12,183.56 = 5,243.06 : x
  2. Step 2: Convert to fraction form
    8,829.39/12,183.56 = 5,243.06/x
  3. Step 3: Cross multiply
    8,829.39x = 12,183.56 × 5,243.06
  4. Step 4: Simplify right side
    8,829.39x = 63,879,048.96
  5. Step 5: Solve for x
    x = 63,879,048.96/8,829.39
  6. Step 6: Final answer
    x = 7,234.82

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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.