Home / 9,786.24-13,505.04-5,809.32

Finding the Fourth Proportional to 9,786.24, 13,505.04 and 5,809.32

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Solution

The fourth proportional to 9,786.24, 13,505.04 and 5,809.32 is: 8,016.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.24 : 13,505.04 = 5,809.32 : x
  2. Step 2: Convert to fraction form
    9,786.24/13,505.04 = 5,809.32/x
  3. Step 3: Cross multiply
    9,786.24x = 13,505.04 × 5,809.32
  4. Step 4: Simplify right side
    9,786.24x = 78,455,098.97
  5. Step 5: Solve for x
    x = 78,455,098.97/9,786.24
  6. Step 6: Final answer
    x = 8,016.88

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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.