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Finding the Fourth Proportional to 8,465.52, 11,670.21 and 5,939.79

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Solution

The fourth proportional to 8,465.52, 11,670.21 and 5,939.79 is: 8,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.52 : 11,670.21 = 5,939.79 : x
  2. Step 2: Convert to fraction form
    8,465.52/11,670.21 = 5,939.79/x
  3. Step 3: Cross multiply
    8,465.52x = 11,670.21 × 5,939.79
  4. Step 4: Simplify right side
    8,465.52x = 69,318,596.66
  5. Step 5: Solve for x
    x = 69,318,596.66/8,465.52
  6. Step 6: Final answer
    x = 8,188.34

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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.