Home / 9,786.35-13,505.24-5,310.14

Finding the Fourth Proportional to 9,786.35, 13,505.24 and 5,310.14

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Solution

The fourth proportional to 9,786.35, 13,505.24 and 5,310.14 is: 7,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.35 : 13,505.24 = 5,310.14 : x
  2. Step 2: Convert to fraction form
    9,786.35/13,505.24 = 5,310.14/x
  3. Step 3: Cross multiply
    9,786.35x = 13,505.24 × 5,310.14
  4. Step 4: Simplify right side
    9,786.35x = 71,714,660.88
  5. Step 5: Solve for x
    x = 71,714,660.88/9,786.35
  6. Step 6: Final answer
    x = 7,328.03

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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.