Home / 9,450.66-13,019.34-6,612.75

Finding the Fourth Proportional to 9,450.66, 13,019.34 and 6,612.75

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Solution

The fourth proportional to 9,450.66, 13,019.34 and 6,612.75 is: 9,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,450.66 : 13,019.34 = 6,612.75 : x
  2. Step 2: Convert to fraction form
    9,450.66/13,019.34 = 6,612.75/x
  3. Step 3: Cross multiply
    9,450.66x = 13,019.34 × 6,612.75
  4. Step 4: Simplify right side
    9,450.66x = 86,093,640.59
  5. Step 5: Solve for x
    x = 86,093,640.59/9,450.66
  6. Step 6: Final answer
    x = 9,109.80

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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.