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Finding the Fourth Proportional to 8,262.70, 11,397.78 and 6,021.93

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Solution

The fourth proportional to 8,262.70, 11,397.78 and 6,021.93 is: 8,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.70 : 11,397.78 = 6,021.93 : x
  2. Step 2: Convert to fraction form
    8,262.70/11,397.78 = 6,021.93/x
  3. Step 3: Cross multiply
    8,262.70x = 11,397.78 × 6,021.93
  4. Step 4: Simplify right side
    8,262.70x = 68,636,633.32
  5. Step 5: Solve for x
    x = 68,636,633.32/8,262.70
  6. Step 6: Final answer
    x = 8,306.80

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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.