Home / 11,418.77-15,757.84-6,383.00

Finding the Fourth Proportional to 11,418.77, 15,757.84 and 6,383.00

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Solution

The fourth proportional to 11,418.77, 15,757.84 and 6,383.00 is: 8,808.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.77 : 15,757.84 = 6,383.00 : x
  2. Step 2: Convert to fraction form
    11,418.77/15,757.84 = 6,383.00/x
  3. Step 3: Cross multiply
    11,418.77x = 15,757.84 × 6,383.00
  4. Step 4: Simplify right side
    11,418.77x = 100,582,340.09
  5. Step 5: Solve for x
    x = 100,582,340.09/11,418.77
  6. Step 6: Final answer
    x = 8,808.51

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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.