Home / 8,106.91-11,187.45-4,571.26

Finding the Fourth Proportional to 8,106.91, 11,187.45 and 4,571.26

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Solution

The fourth proportional to 8,106.91, 11,187.45 and 4,571.26 is: 6,308.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.91 : 11,187.45 = 4,571.26 : x
  2. Step 2: Convert to fraction form
    8,106.91/11,187.45 = 4,571.26/x
  3. Step 3: Cross multiply
    8,106.91x = 11,187.45 × 4,571.26
  4. Step 4: Simplify right side
    8,106.91x = 51,140,714.72
  5. Step 5: Solve for x
    x = 51,140,714.72/8,106.91
  6. Step 6: Final answer
    x = 6,308.29

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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.