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Finding the Fourth Proportional to 9,383.69, 12,943.39 and 6,021.18

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Solution

The fourth proportional to 9,383.69, 12,943.39 and 6,021.18 is: 8,305.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,383.69 : 12,943.39 = 6,021.18 : x
  2. Step 2: Convert to fraction form
    9,383.69/12,943.39 = 6,021.18/x
  3. Step 3: Cross multiply
    9,383.69x = 12,943.39 × 6,021.18
  4. Step 4: Simplify right side
    9,383.69x = 77,934,433.59
  5. Step 5: Solve for x
    x = 77,934,433.59/9,383.69
  6. Step 6: Final answer
    x = 8,305.31

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Double scale
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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.