Home / 11,786.06-17,679.09-5,542.19

Finding the Fourth Proportional to 11,786.06, 17,679.09 and 5,542.19

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Solution

The fourth proportional to 11,786.06, 17,679.09 and 5,542.19 is: 8,313.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.06 : 17,679.09 = 5,542.19 : x
  2. Step 2: Convert to fraction form
    11,786.06/17,679.09 = 5,542.19/x
  3. Step 3: Cross multiply
    11,786.06x = 17,679.09 × 5,542.19
  4. Step 4: Simplify right side
    11,786.06x = 97,980,875.81
  5. Step 5: Solve for x
    x = 97,980,875.81/11,786.06
  6. Step 6: Final answer
    x = 8,313.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.