Home / 8,372.80-11,558.24-6,383.52

Finding the Fourth Proportional to 8,372.80, 11,558.24 and 6,383.52

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Solution

The fourth proportional to 8,372.80, 11,558.24 and 6,383.52 is: 8,812.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.80 : 11,558.24 = 6,383.52 : x
  2. Step 2: Convert to fraction form
    8,372.80/11,558.24 = 6,383.52/x
  3. Step 3: Cross multiply
    8,372.80x = 11,558.24 × 6,383.52
  4. Step 4: Simplify right side
    8,372.80x = 73,782,256.20
  5. Step 5: Solve for x
    x = 73,782,256.20/8,372.80
  6. Step 6: Final answer
    x = 8,812.14

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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.