Home / 7,481.37-10,322.13-4,830.30

Finding the Fourth Proportional to 7,481.37, 10,322.13 and 4,830.30

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Solution

The fourth proportional to 7,481.37, 10,322.13 and 4,830.30 is: 6,664.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.37 : 10,322.13 = 4,830.30 : x
  2. Step 2: Convert to fraction form
    7,481.37/10,322.13 = 4,830.30/x
  3. Step 3: Cross multiply
    7,481.37x = 10,322.13 × 4,830.30
  4. Step 4: Simplify right side
    7,481.37x = 49,858,984.54
  5. Step 5: Solve for x
    x = 49,858,984.54/7,481.37
  6. Step 6: Final answer
    x = 6,664.42

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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.