Home / 8,240.72-11,372.36-4,464.05

Finding the Fourth Proportional to 8,240.72, 11,372.36 and 4,464.05

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Solution

The fourth proportional to 8,240.72, 11,372.36 and 4,464.05 is: 6,160.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.72 : 11,372.36 = 4,464.05 : x
  2. Step 2: Convert to fraction form
    8,240.72/11,372.36 = 4,464.05/x
  3. Step 3: Cross multiply
    8,240.72x = 11,372.36 × 4,464.05
  4. Step 4: Simplify right side
    8,240.72x = 50,766,704.48
  5. Step 5: Solve for x
    x = 50,766,704.48/8,240.72
  6. Step 6: Final answer
    x = 6,160.47

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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.