Home / 8,383.48-11,570.82-5,550.92

Finding the Fourth Proportional to 8,383.48, 11,570.82 and 5,550.92

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Solution

The fourth proportional to 8,383.48, 11,570.82 and 5,550.92 is: 7,661.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.48 : 11,570.82 = 5,550.92 : x
  2. Step 2: Convert to fraction form
    8,383.48/11,570.82 = 5,550.92/x
  3. Step 3: Cross multiply
    8,383.48x = 11,570.82 × 5,550.92
  4. Step 4: Simplify right side
    8,383.48x = 64,228,696.15
  5. Step 5: Solve for x
    x = 64,228,696.15/8,383.48
  6. Step 6: Final answer
    x = 7,661.34

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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.