Home / 8,120.33-11,205.11-4,583.33

Finding the Fourth Proportional to 8,120.33, 11,205.11 and 4,583.33

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Solution

The fourth proportional to 8,120.33, 11,205.11 and 4,583.33 is: 6,324.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.33 : 11,205.11 = 4,583.33 : x
  2. Step 2: Convert to fraction form
    8,120.33/11,205.11 = 4,583.33/x
  3. Step 3: Cross multiply
    8,120.33x = 11,205.11 × 4,583.33
  4. Step 4: Simplify right side
    8,120.33x = 51,356,693.90
  5. Step 5: Solve for x
    x = 51,356,693.90/8,120.33
  6. Step 6: Final answer
    x = 6,324.46

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Half scale
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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.