Home / 6,345.14-8,756.44-3,512.70

Finding the Fourth Proportional to 6,345.14, 8,756.44 and 3,512.70

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Solution

The fourth proportional to 6,345.14, 8,756.44 and 3,512.70 is: 4,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.14 : 8,756.44 = 3,512.70 : x
  2. Step 2: Convert to fraction form
    6,345.14/8,756.44 = 3,512.70/x
  3. Step 3: Cross multiply
    6,345.14x = 8,756.44 × 3,512.70
  4. Step 4: Simplify right side
    6,345.14x = 30,758,738.01
  5. Step 5: Solve for x
    x = 30,758,738.01/6,345.14
  6. Step 6: Final answer
    x = 4,847.61

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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.