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Finding the Fourth Proportional to 9,483.09, 13,092.82 and 8,486.65

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Solution

The fourth proportional to 9,483.09, 13,092.82 and 8,486.65 is: 11,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,483.09 : 13,092.82 = 8,486.65 : x
  2. Step 2: Convert to fraction form
    9,483.09/13,092.82 = 8,486.65/x
  3. Step 3: Cross multiply
    9,483.09x = 13,092.82 × 8,486.65
  4. Step 4: Simplify right side
    9,483.09x = 111,114,223.74
  5. Step 5: Solve for x
    x = 111,114,223.74/9,483.09
  6. Step 6: Final answer
    x = 11,717.10

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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.