Home / 7,863.36-11,791.08-3,482.16

Finding the Fourth Proportional to 7,863.36, 11,791.08 and 3,482.16

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Solution

The fourth proportional to 7,863.36, 11,791.08 and 3,482.16 is: 5,221.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.36 : 11,791.08 = 3,482.16 : x
  2. Step 2: Convert to fraction form
    7,863.36/11,791.08 = 3,482.16/x
  3. Step 3: Cross multiply
    7,863.36x = 11,791.08 × 3,482.16
  4. Step 4: Simplify right side
    7,863.36x = 41,058,427.13
  5. Step 5: Solve for x
    x = 41,058,427.13/7,863.36
  6. Step 6: Final answer
    x = 5,221.49

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Double scale
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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.