Home / 8,055.71-11,118.03-4,471.49

Finding the Fourth Proportional to 8,055.71, 11,118.03 and 4,471.49

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Solution

The fourth proportional to 8,055.71, 11,118.03 and 4,471.49 is: 6,171.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.71 : 11,118.03 = 4,471.49 : x
  2. Step 2: Convert to fraction form
    8,055.71/11,118.03 = 4,471.49/x
  3. Step 3: Cross multiply
    8,055.71x = 11,118.03 × 4,471.49
  4. Step 4: Simplify right side
    8,055.71x = 49,714,104.37
  5. Step 5: Solve for x
    x = 49,714,104.37/8,055.71
  6. Step 6: Final answer
    x = 6,171.29

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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.