Home / 8,383.51-11,568.36-4,847.86

Finding the Fourth Proportional to 8,383.51, 11,568.36 and 4,847.86

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Solution

The fourth proportional to 8,383.51, 11,568.36 and 4,847.86 is: 6,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.51 : 11,568.36 = 4,847.86 : x
  2. Step 2: Convert to fraction form
    8,383.51/11,568.36 = 4,847.86/x
  3. Step 3: Cross multiply
    8,383.51x = 11,568.36 × 4,847.86
  4. Step 4: Simplify right side
    8,383.51x = 56,081,789.71
  5. Step 5: Solve for x
    x = 56,081,789.71/8,383.51
  6. Step 6: Final answer
    x = 6,689.54

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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.