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Finding the Fourth Proportional to 8,391.36, 11,574.96 and 6,036.68

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Solution

The fourth proportional to 8,391.36, 11,574.96 and 6,036.68 is: 8,326.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391.36 : 11,574.96 = 6,036.68 : x
  2. Step 2: Convert to fraction form
    8,391.36/11,574.96 = 6,036.68/x
  3. Step 3: Cross multiply
    8,391.36x = 11,574.96 × 6,036.68
  4. Step 4: Simplify right side
    8,391.36x = 69,874,329.53
  5. Step 5: Solve for x
    x = 69,874,329.53/8,391.36
  6. Step 6: Final answer
    x = 8,326.94

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Half 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.