Home / 7,183.58-9,911.40-4,200.14

Finding the Fourth Proportional to 7,183.58, 9,911.40 and 4,200.14

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Solution

The fourth proportional to 7,183.58, 9,911.40 and 4,200.14 is: 5,795.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.58 : 9,911.40 = 4,200.14 : x
  2. Step 2: Convert to fraction form
    7,183.58/9,911.40 = 4,200.14/x
  3. Step 3: Cross multiply
    7,183.58x = 9,911.40 × 4,200.14
  4. Step 4: Simplify right side
    7,183.58x = 41,629,276.62
  5. Step 5: Solve for x
    x = 41,629,276.62/7,183.58
  6. Step 6: Final answer
    x = 5,795.06

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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.