Home / 10,441.14-15,653.46-5,172.48

Finding the Fourth Proportional to 10,441.14, 15,653.46 and 5,172.48

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Solution

The fourth proportional to 10,441.14, 15,653.46 and 5,172.48 is: 7,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,441.14 : 15,653.46 = 5,172.48 : x
  2. Step 2: Convert to fraction form
    10,441.14/15,653.46 = 5,172.48/x
  3. Step 3: Cross multiply
    10,441.14x = 15,653.46 × 5,172.48
  4. Step 4: Simplify right side
    10,441.14x = 80,967,208.78
  5. Step 5: Solve for x
    x = 80,967,208.78/10,441.14
  6. Step 6: Final answer
    x = 7,754.63

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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.