Home / 11,571.09-15,968.40-7,097.31

Finding the Fourth Proportional to 11,571.09, 15,968.40 and 7,097.31

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Solution

The fourth proportional to 11,571.09, 15,968.40 and 7,097.31 is: 9,794.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.09 : 15,968.40 = 7,097.31 : x
  2. Step 2: Convert to fraction form
    11,571.09/15,968.40 = 7,097.31/x
  3. Step 3: Cross multiply
    11,571.09x = 15,968.40 × 7,097.31
  4. Step 4: Simplify right side
    11,571.09x = 113,332,658.39
  5. Step 5: Solve for x
    x = 113,332,658.39/11,571.09
  6. Step 6: Final answer
    x = 9,794.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.