Home / 8,174.43-11,280.60-5,030.55

Finding the Fourth Proportional to 8,174.43, 11,280.60 and 5,030.55

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Solution

The fourth proportional to 8,174.43, 11,280.60 and 5,030.55 is: 6,942.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.43 : 11,280.60 = 5,030.55 : x
  2. Step 2: Convert to fraction form
    8,174.43/11,280.60 = 5,030.55/x
  3. Step 3: Cross multiply
    8,174.43x = 11,280.60 × 5,030.55
  4. Step 4: Simplify right side
    8,174.43x = 56,747,622.33
  5. Step 5: Solve for x
    x = 56,747,622.33/8,174.43
  6. Step 6: Final answer
    x = 6,942.09

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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.