Home / 6,112.36-8,442.66-6,020.20

Finding the Fourth Proportional to 6,112.36, 8,442.66 and 6,020.20

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Solution

The fourth proportional to 6,112.36, 8,442.66 and 6,020.20 is: 8,315.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.36 : 8,442.66 = 6,020.20 : x
  2. Step 2: Convert to fraction form
    6,112.36/8,442.66 = 6,020.20/x
  3. Step 3: Cross multiply
    6,112.36x = 8,442.66 × 6,020.20
  4. Step 4: Simplify right side
    6,112.36x = 50,826,501.73
  5. Step 5: Solve for x
    x = 50,826,501.73/6,112.36
  6. Step 6: Final answer
    x = 8,315.36

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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.