Home / 7,825.32-11,740.68-4,900.14

Finding the Fourth Proportional to 7,825.32, 11,740.68 and 4,900.14

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Solution

The fourth proportional to 7,825.32, 11,740.68 and 4,900.14 is: 7,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.32 : 11,740.68 = 4,900.14 : x
  2. Step 2: Convert to fraction form
    7,825.32/11,740.68 = 4,900.14/x
  3. Step 3: Cross multiply
    7,825.32x = 11,740.68 × 4,900.14
  4. Step 4: Simplify right side
    7,825.32x = 57,530,975.70
  5. Step 5: Solve for x
    x = 57,530,975.70/7,825.32
  6. Step 6: Final answer
    x = 7,351.90

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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.