Home / 9,102.62-12,561.73-5,324.90

Finding the Fourth Proportional to 9,102.62, 12,561.73 and 5,324.90

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Solution

The fourth proportional to 9,102.62, 12,561.73 and 5,324.90 is: 7,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.62 : 12,561.73 = 5,324.90 : x
  2. Step 2: Convert to fraction form
    9,102.62/12,561.73 = 5,324.90/x
  3. Step 3: Cross multiply
    9,102.62x = 12,561.73 × 5,324.90
  4. Step 4: Simplify right side
    9,102.62x = 66,889,956.08
  5. Step 5: Solve for x
    x = 66,889,956.08/9,102.62
  6. Step 6: Final answer
    x = 7,348.43

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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.