Home / 9,309.90-13,969.59-6,192.09

Finding the Fourth Proportional to 9,309.90, 13,969.59 and 6,192.09

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Solution

The fourth proportional to 9,309.90, 13,969.59 and 6,192.09 is: 9,291.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.90 : 13,969.59 = 6,192.09 : x
  2. Step 2: Convert to fraction form
    9,309.90/13,969.59 = 6,192.09/x
  3. Step 3: Cross multiply
    9,309.90x = 13,969.59 × 6,192.09
  4. Step 4: Simplify right side
    9,309.90x = 86,500,958.54
  5. Step 5: Solve for x
    x = 86,500,958.54/9,309.90
  6. Step 6: Final answer
    x = 9,291.29

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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.