Home / 7,837.62-10,815.54-4,480.98

Finding the Fourth Proportional to 7,837.62, 10,815.54 and 4,480.98

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Solution

The fourth proportional to 7,837.62, 10,815.54 and 4,480.98 is: 6,183.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.62 : 10,815.54 = 4,480.98 : x
  2. Step 2: Convert to fraction form
    7,837.62/10,815.54 = 4,480.98/x
  3. Step 3: Cross multiply
    7,837.62x = 10,815.54 × 4,480.98
  4. Step 4: Simplify right side
    7,837.62x = 48,464,218.43
  5. Step 5: Solve for x
    x = 48,464,218.43/7,837.62
  6. Step 6: Final answer
    x = 6,183.54

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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.