Home / 7,403.16-11,105.46-2,786.16

Finding the Fourth Proportional to 7,403.16, 11,105.46 and 2,786.16

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Solution

The fourth proportional to 7,403.16, 11,105.46 and 2,786.16 is: 4,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.16 : 11,105.46 = 2,786.16 : x
  2. Step 2: Convert to fraction form
    7,403.16/11,105.46 = 2,786.16/x
  3. Step 3: Cross multiply
    7,403.16x = 11,105.46 × 2,786.16
  4. Step 4: Simplify right side
    7,403.16x = 30,941,588.43
  5. Step 5: Solve for x
    x = 30,941,588.43/7,403.16
  6. Step 6: Final answer
    x = 4,179.51

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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.