Home / 8,105.64-11,186.09-4,568.77

Finding the Fourth Proportional to 8,105.64, 11,186.09 and 4,568.77

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Solution

The fourth proportional to 8,105.64, 11,186.09 and 4,568.77 is: 6,305.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.64 : 11,186.09 = 4,568.77 : x
  2. Step 2: Convert to fraction form
    8,105.64/11,186.09 = 4,568.77/x
  3. Step 3: Cross multiply
    8,105.64x = 11,186.09 × 4,568.77
  4. Step 4: Simplify right side
    8,105.64x = 51,106,680.68
  5. Step 5: Solve for x
    x = 51,106,680.68/8,105.64
  6. Step 6: Final answer
    x = 6,305.08

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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.