Home / 10,007.88-15,014.92-3,768.44

Finding the Fourth Proportional to 10,007.88, 15,014.92 and 3,768.44

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Solution

The fourth proportional to 10,007.88, 15,014.92 and 3,768.44 is: 5,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.88 : 15,014.92 = 3,768.44 : x
  2. Step 2: Convert to fraction form
    10,007.88/15,014.92 = 3,768.44/x
  3. Step 3: Cross multiply
    10,007.88x = 15,014.92 × 3,768.44
  4. Step 4: Simplify right side
    10,007.88x = 56,582,825.12
  5. Step 5: Solve for x
    x = 56,582,825.12/10,007.88
  6. Step 6: Final answer
    x = 5,653.83

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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.