Home / 8,132.98-11,223.73-4,945.18

Finding the Fourth Proportional to 8,132.98, 11,223.73 and 4,945.18

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Solution

The fourth proportional to 8,132.98, 11,223.73 and 4,945.18 is: 6,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.98 : 11,223.73 = 4,945.18 : x
  2. Step 2: Convert to fraction form
    8,132.98/11,223.73 = 4,945.18/x
  3. Step 3: Cross multiply
    8,132.98x = 11,223.73 × 4,945.18
  4. Step 4: Simplify right side
    8,132.98x = 55,503,365.12
  5. Step 5: Solve for x
    x = 55,503,365.12/8,132.98
  6. Step 6: Final answer
    x = 6,824.48

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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.