Home / 8,077.88-11,147.15-4,541.02

Finding the Fourth Proportional to 8,077.88, 11,147.15 and 4,541.02

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Solution

The fourth proportional to 8,077.88, 11,147.15 and 4,541.02 is: 6,266.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.88 : 11,147.15 = 4,541.02 : x
  2. Step 2: Convert to fraction form
    8,077.88/11,147.15 = 4,541.02/x
  3. Step 3: Cross multiply
    8,077.88x = 11,147.15 × 4,541.02
  4. Step 4: Simplify right side
    8,077.88x = 50,619,414.58
  5. Step 5: Solve for x
    x = 50,619,414.58/8,077.88
  6. Step 6: Final answer
    x = 6,266.42

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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.