Home / 11,189.36-16,784.09-3,398.17

Finding the Fourth Proportional to 11,189.36, 16,784.09 and 3,398.17

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Solution

The fourth proportional to 11,189.36, 16,784.09 and 3,398.17 is: 5,097.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.36 : 16,784.09 = 3,398.17 : x
  2. Step 2: Convert to fraction form
    11,189.36/16,784.09 = 3,398.17/x
  3. Step 3: Cross multiply
    11,189.36x = 16,784.09 × 3,398.17
  4. Step 4: Simplify right side
    11,189.36x = 57,035,191.12
  5. Step 5: Solve for x
    x = 57,035,191.12/11,189.36
  6. Step 6: Final answer
    x = 5,097.27

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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.