Home / 11,839.41-16,338.93-6,805.26

Finding the Fourth Proportional to 11,839.41, 16,338.93 and 6,805.26

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Solution

The fourth proportional to 11,839.41, 16,338.93 and 6,805.26 is: 9,391.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.41 : 16,338.93 = 6,805.26 : x
  2. Step 2: Convert to fraction form
    11,839.41/16,338.93 = 6,805.26/x
  3. Step 3: Cross multiply
    11,839.41x = 16,338.93 × 6,805.26
  4. Step 4: Simplify right side
    11,839.41x = 111,190,666.77
  5. Step 5: Solve for x
    x = 111,190,666.77/11,839.41
  6. Step 6: Final answer
    x = 9,391.57

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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.