Home / 9,015.05-12,438.31-6,183.13

Finding the Fourth Proportional to 9,015.05, 12,438.31 and 6,183.13

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Solution

The fourth proportional to 9,015.05, 12,438.31 and 6,183.13 is: 8,531.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.05 : 12,438.31 = 6,183.13 : x
  2. Step 2: Convert to fraction form
    9,015.05/12,438.31 = 6,183.13/x
  3. Step 3: Cross multiply
    9,015.05x = 12,438.31 × 6,183.13
  4. Step 4: Simplify right side
    9,015.05x = 76,907,641.16
  5. Step 5: Solve for x
    x = 76,907,641.16/9,015.05
  6. Step 6: Final answer
    x = 8,531.03

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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.