Home / 7,369.81-10,170.12-4,183.01

Finding the Fourth Proportional to 7,369.81, 10,170.12 and 4,183.01

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Solution

The fourth proportional to 7,369.81, 10,170.12 and 4,183.01 is: 5,772.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,369.81 : 10,170.12 = 4,183.01 : x
  2. Step 2: Convert to fraction form
    7,369.81/10,170.12 = 4,183.01/x
  3. Step 3: Cross multiply
    7,369.81x = 10,170.12 × 4,183.01
  4. Step 4: Simplify right side
    7,369.81x = 42,541,739.09
  5. Step 5: Solve for x
    x = 42,541,739.09/7,369.81
  6. Step 6: Final answer
    x = 5,772.44

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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.