Home / 8,309.88-11,467.54-4,773.12

Finding the Fourth Proportional to 8,309.88, 11,467.54 and 4,773.12

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Solution

The fourth proportional to 8,309.88, 11,467.54 and 4,773.12 is: 6,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.88 : 11,467.54 = 4,773.12 : x
  2. Step 2: Convert to fraction form
    8,309.88/11,467.54 = 4,773.12/x
  3. Step 3: Cross multiply
    8,309.88x = 11,467.54 × 4,773.12
  4. Step 4: Simplify right side
    8,309.88x = 54,735,944.52
  5. Step 5: Solve for x
    x = 54,735,944.52/8,309.88
  6. Step 6: Final answer
    x = 6,586.85

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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.