Home / 9,975.43-13,771.38-7,732.27

Finding the Fourth Proportional to 9,975.43, 13,771.38 and 7,732.27

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Solution

The fourth proportional to 9,975.43, 13,771.38 and 7,732.27 is: 10,674.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.43 : 13,771.38 = 7,732.27 : x
  2. Step 2: Convert to fraction form
    9,975.43/13,771.38 = 7,732.27/x
  3. Step 3: Cross multiply
    9,975.43x = 13,771.38 × 7,732.27
  4. Step 4: Simplify right side
    9,975.43x = 106,484,028.43
  5. Step 5: Solve for x
    x = 106,484,028.43/9,975.43
  6. Step 6: Final answer
    x = 10,674.63

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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.