Home / 11,894.67-16,343.62-11,126.79

Finding the Fourth Proportional to 11,894.67, 16,343.62 and 11,126.79

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Solution

The fourth proportional to 11,894.67, 16,343.62 and 11,126.79 is: 15,288.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,894.67 : 16,343.62 = 11,126.79 : x
  2. Step 2: Convert to fraction form
    11,894.67/16,343.62 = 11,126.79/x
  3. Step 3: Cross multiply
    11,894.67x = 16,343.62 × 11,126.79
  4. Step 4: Simplify right side
    11,894.67x = 181,851,999.76
  5. Step 5: Solve for x
    x = 181,851,999.76/11,894.67
  6. Step 6: Final answer
    x = 15,288.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.