Home / 8,077.56-11,146.97-4,540.79

Finding the Fourth Proportional to 8,077.56, 11,146.97 and 4,540.79

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Solution

The fourth proportional to 8,077.56, 11,146.97 and 4,540.79 is: 6,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.56 : 11,146.97 = 4,540.79 : x
  2. Step 2: Convert to fraction form
    8,077.56/11,146.97 = 4,540.79/x
  3. Step 3: Cross multiply
    8,077.56x = 11,146.97 × 4,540.79
  4. Step 4: Simplify right side
    8,077.56x = 50,615,971.47
  5. Step 5: Solve for x
    x = 50,615,971.47/8,077.56
  6. Step 6: Final answer
    x = 6,266.25

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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.