Home / 11,389.94-17,090.37-6,195.81

Finding the Fourth Proportional to 11,389.94, 17,090.37 and 6,195.81

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Solution

The fourth proportional to 11,389.94, 17,090.37 and 6,195.81 is: 9,296.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.94 : 17,090.37 = 6,195.81 : x
  2. Step 2: Convert to fraction form
    11,389.94/17,090.37 = 6,195.81/x
  3. Step 3: Cross multiply
    11,389.94x = 17,090.37 × 6,195.81
  4. Step 4: Simplify right side
    11,389.94x = 105,888,685.35
  5. Step 5: Solve for x
    x = 105,888,685.35/11,389.94
  6. Step 6: Final answer
    x = 9,296.69

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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.