Home / 6,378.24-9,568.47-1,994.58

Finding the Fourth Proportional to 6,378.24, 9,568.47 and 1,994.58

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Solution

The fourth proportional to 6,378.24, 9,568.47 and 1,994.58 is: 2,992.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.24 : 9,568.47 = 1,994.58 : x
  2. Step 2: Convert to fraction form
    6,378.24/9,568.47 = 1,994.58/x
  3. Step 3: Cross multiply
    6,378.24x = 9,568.47 × 1,994.58
  4. Step 4: Simplify right side
    6,378.24x = 19,085,078.89
  5. Step 5: Solve for x
    x = 19,085,078.89/6,378.24
  6. Step 6: Final answer
    x = 2,992.22

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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.