Home / 11,517.36-15,882.98-10,668.48

Finding the Fourth Proportional to 11,517.36, 15,882.98 and 10,668.48

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Solution

The fourth proportional to 11,517.36, 15,882.98 and 10,668.48 is: 14,712.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.36 : 15,882.98 = 10,668.48 : x
  2. Step 2: Convert to fraction form
    11,517.36/15,882.98 = 10,668.48/x
  3. Step 3: Cross multiply
    11,517.36x = 15,882.98 × 10,668.48
  4. Step 4: Simplify right side
    11,517.36x = 169,447,201.13
  5. Step 5: Solve for x
    x = 169,447,201.13/11,517.36
  6. Step 6: Final answer
    x = 14,712.33

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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.