Home / 7,632.20-11,391.07-7,133.97

Finding the Fourth Proportional to 7,632.20, 11,391.07 and 7,133.97

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Solution

The fourth proportional to 7,632.20, 11,391.07 and 7,133.97 is: 10,647.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,632.20 : 11,391.07 = 7,133.97 : x
  2. Step 2: Convert to fraction form
    7,632.20/11,391.07 = 7,133.97/x
  3. Step 3: Cross multiply
    7,632.20x = 11,391.07 × 7,133.97
  4. Step 4: Simplify right side
    7,632.20x = 81,263,551.65
  5. Step 5: Solve for x
    x = 81,263,551.65/7,632.20
  6. Step 6: Final answer
    x = 10,647.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.