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Finding the Fourth Proportional to 9,373.69, 12,917.85 and 6,716.47

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Solution

The fourth proportional to 9,373.69, 12,917.85 and 6,716.47 is: 9,255.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,373.69 : 12,917.85 = 6,716.47 : x
  2. Step 2: Convert to fraction form
    9,373.69/12,917.85 = 6,716.47/x
  3. Step 3: Cross multiply
    9,373.69x = 12,917.85 × 6,716.47
  4. Step 4: Simplify right side
    9,373.69x = 86,762,351.99
  5. Step 5: Solve for x
    x = 86,762,351.99/9,373.69
  6. Step 6: Final answer
    x = 9,255.94

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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.