Home / 10,836.88-14,955.60-6,121.24

Finding the Fourth Proportional to 10,836.88, 14,955.60 and 6,121.24

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Solution

The fourth proportional to 10,836.88, 14,955.60 and 6,121.24 is: 8,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.88 : 14,955.60 = 6,121.24 : x
  2. Step 2: Convert to fraction form
    10,836.88/14,955.60 = 6,121.24/x
  3. Step 3: Cross multiply
    10,836.88x = 14,955.60 × 6,121.24
  4. Step 4: Simplify right side
    10,836.88x = 91,546,816.94
  5. Step 5: Solve for x
    x = 91,546,816.94/10,836.88
  6. Step 6: Final answer
    x = 8,447.71

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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.