Home / 12,668.27-17,481.29-7,290.41

Finding the Fourth Proportional to 12,668.27, 17,481.29 and 7,290.41

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Solution

The fourth proportional to 12,668.27, 17,481.29 and 7,290.41 is: 10,060.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668.27 : 17,481.29 = 7,290.41 : x
  2. Step 2: Convert to fraction form
    12,668.27/17,481.29 = 7,290.41/x
  3. Step 3: Cross multiply
    12,668.27x = 17,481.29 × 7,290.41
  4. Step 4: Simplify right side
    12,668.27x = 127,445,647.57
  5. Step 5: Solve for x
    x = 127,445,647.57/12,668.27
  6. Step 6: Final answer
    x = 10,060.23

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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.