Home / 8,486.09-11,713.20-5,968.79

Finding the Fourth Proportional to 8,486.09, 11,713.20 and 5,968.79

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Solution

The fourth proportional to 8,486.09, 11,713.20 and 5,968.79 is: 8,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486.09 : 11,713.20 = 5,968.79 : x
  2. Step 2: Convert to fraction form
    8,486.09/11,713.20 = 5,968.79/x
  3. Step 3: Cross multiply
    8,486.09x = 11,713.20 × 5,968.79
  4. Step 4: Simplify right side
    8,486.09x = 69,913,631.03
  5. Step 5: Solve for x
    x = 69,913,631.03/8,486.09
  6. Step 6: Final answer
    x = 8,238.62

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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.