Home / 9,244.42-12,755.91-5,211.07

Finding the Fourth Proportional to 9,244.42, 12,755.91 and 5,211.07

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Solution

The fourth proportional to 9,244.42, 12,755.91 and 5,211.07 is: 7,190.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,244.42 : 12,755.91 = 5,211.07 : x
  2. Step 2: Convert to fraction form
    9,244.42/12,755.91 = 5,211.07/x
  3. Step 3: Cross multiply
    9,244.42x = 12,755.91 × 5,211.07
  4. Step 4: Simplify right side
    9,244.42x = 66,471,939.92
  5. Step 5: Solve for x
    x = 66,471,939.92/9,244.42
  6. Step 6: Final answer
    x = 7,190.49

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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.