Home / 7,965.00-11,947.51-2,418.33

Finding the Fourth Proportional to 7,965.00, 11,947.51 and 2,418.33

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Solution

The fourth proportional to 7,965.00, 11,947.51 and 2,418.33 is: 3,627.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.00 : 11,947.51 = 2,418.33 : x
  2. Step 2: Convert to fraction form
    7,965.00/11,947.51 = 2,418.33/x
  3. Step 3: Cross multiply
    7,965.00x = 11,947.51 × 2,418.33
  4. Step 4: Simplify right side
    7,965.00x = 28,892,971.01
  5. Step 5: Solve for x
    x = 28,892,971.01/7,965.00
  6. Step 6: Final answer
    x = 3,627.49

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.