Home / 11,389.36-17,090.44-6,195.60

Finding the Fourth Proportional to 11,389.36, 17,090.44 and 6,195.60

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Solution

The fourth proportional to 11,389.36, 17,090.44 and 6,195.60 is: 9,296.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.36 : 17,090.44 = 6,195.60 : x
  2. Step 2: Convert to fraction form
    11,389.36/17,090.44 = 6,195.60/x
  3. Step 3: Cross multiply
    11,389.36x = 17,090.44 × 6,195.60
  4. Step 4: Simplify right side
    11,389.36x = 105,885,530.06
  5. Step 5: Solve for x
    x = 105,885,530.06/11,389.36
  6. Step 6: Final answer
    x = 9,296.88

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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.