Home / 9,072.43-13,608.73-5,972.11

Finding the Fourth Proportional to 9,072.43, 13,608.73 and 5,972.11

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Solution

The fourth proportional to 9,072.43, 13,608.73 and 5,972.11 is: 8,958.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.43 : 13,608.73 = 5,972.11 : x
  2. Step 2: Convert to fraction form
    9,072.43/13,608.73 = 5,972.11/x
  3. Step 3: Cross multiply
    9,072.43x = 13,608.73 × 5,972.11
  4. Step 4: Simplify right side
    9,072.43x = 81,272,832.52
  5. Step 5: Solve for x
    x = 81,272,832.52/9,072.43
  6. Step 6: Final answer
    x = 8,958.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.