Home / 11,796.16-16,278.40-6,418.37

Finding the Fourth Proportional to 11,796.16, 16,278.40 and 6,418.37

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Solution

The fourth proportional to 11,796.16, 16,278.40 and 6,418.37 is: 8,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,796.16 : 16,278.40 = 6,418.37 : x
  2. Step 2: Convert to fraction form
    11,796.16/16,278.40 = 6,418.37/x
  3. Step 3: Cross multiply
    11,796.16x = 16,278.40 × 6,418.37
  4. Step 4: Simplify right side
    11,796.16x = 104,480,794.21
  5. Step 5: Solve for x
    x = 104,480,794.21/11,796.16
  6. Step 6: Final answer
    x = 8,857.19

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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.