Home / 9,872.73-13,635.68-7,195.88

Finding the Fourth Proportional to 9,872.73, 13,635.68 and 7,195.88

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Solution

The fourth proportional to 9,872.73, 13,635.68 and 7,195.88 is: 9,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.73 : 13,635.68 = 7,195.88 : x
  2. Step 2: Convert to fraction form
    9,872.73/13,635.68 = 7,195.88/x
  3. Step 3: Cross multiply
    9,872.73x = 13,635.68 × 7,195.88
  4. Step 4: Simplify right side
    9,872.73x = 98,120,769.08
  5. Step 5: Solve for x
    x = 98,120,769.08/9,872.73
  6. Step 6: Final answer
    x = 9,938.57

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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.