Home / 9,074.21-12,520.94-5,294.79

Finding the Fourth Proportional to 9,074.21, 12,520.94 and 5,294.79

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Solution

The fourth proportional to 9,074.21, 12,520.94 and 5,294.79 is: 7,305.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074.21 : 12,520.94 = 5,294.79 : x
  2. Step 2: Convert to fraction form
    9,074.21/12,520.94 = 5,294.79/x
  3. Step 3: Cross multiply
    9,074.21x = 12,520.94 × 5,294.79
  4. Step 4: Simplify right side
    9,074.21x = 66,295,721.43
  5. Step 5: Solve for x
    x = 66,295,721.43/9,074.21
  6. Step 6: Final answer
    x = 7,305.95

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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.