Home / 10,121.94-15,185.07-3,548.52

Finding the Fourth Proportional to 10,121.94, 15,185.07 and 3,548.52

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Solution

The fourth proportional to 10,121.94, 15,185.07 and 3,548.52 is: 5,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.94 : 15,185.07 = 3,548.52 : x
  2. Step 2: Convert to fraction form
    10,121.94/15,185.07 = 3,548.52/x
  3. Step 3: Cross multiply
    10,121.94x = 15,185.07 × 3,548.52
  4. Step 4: Simplify right side
    10,121.94x = 53,884,524.60
  5. Step 5: Solve for x
    x = 53,884,524.60/10,121.94
  6. Step 6: Final answer
    x = 5,323.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.