Home / 11,934.81-17,896.07-8,192.31

Finding the Fourth Proportional to 11,934.81, 17,896.07 and 8,192.31

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Solution

The fourth proportional to 11,934.81, 17,896.07 and 8,192.31 is: 12,284.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.81 : 17,896.07 = 8,192.31 : x
  2. Step 2: Convert to fraction form
    11,934.81/17,896.07 = 8,192.31/x
  3. Step 3: Cross multiply
    11,934.81x = 17,896.07 × 8,192.31
  4. Step 4: Simplify right side
    11,934.81x = 146,610,112.26
  5. Step 5: Solve for x
    x = 146,610,112.26/11,934.81
  6. Step 6: Final answer
    x = 12,284.24

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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.