Home / 10,839.47-14,955.44-6,806.73

Finding the Fourth Proportional to 10,839.47, 14,955.44 and 6,806.73

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Solution

The fourth proportional to 10,839.47, 14,955.44 and 6,806.73 is: 9,391.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.47 : 14,955.44 = 6,806.73 : x
  2. Step 2: Convert to fraction form
    10,839.47/14,955.44 = 6,806.73/x
  3. Step 3: Cross multiply
    10,839.47x = 14,955.44 × 6,806.73
  4. Step 4: Simplify right side
    10,839.47x = 101,797,664.16
  5. Step 5: Solve for x
    x = 101,797,664.16/10,839.47
  6. Step 6: Final answer
    x = 9,391.39

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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.