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Finding the Fourth Proportional to 8,394.15, 11,584.53 and 5,036.88

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Solution

The fourth proportional to 8,394.15, 11,584.53 and 5,036.88 is: 6,951.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.15 : 11,584.53 = 5,036.88 : x
  2. Step 2: Convert to fraction form
    8,394.15/11,584.53 = 5,036.88/x
  3. Step 3: Cross multiply
    8,394.15x = 11,584.53 × 5,036.88
  4. Step 4: Simplify right side
    8,394.15x = 58,349,887.47
  5. Step 5: Solve for x
    x = 58,349,887.47/8,394.15
  6. Step 6: Final answer
    x = 6,951.26

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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.