Home / 11,722.15-17,571.07-7,329.52

Finding the Fourth Proportional to 11,722.15, 17,571.07 and 7,329.52

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Solution

The fourth proportional to 11,722.15, 17,571.07 and 7,329.52 is: 10,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.15 : 17,571.07 = 7,329.52 : x
  2. Step 2: Convert to fraction form
    11,722.15/17,571.07 = 7,329.52/x
  3. Step 3: Cross multiply
    11,722.15x = 17,571.07 × 7,329.52
  4. Step 4: Simplify right side
    11,722.15x = 128,787,384.48
  5. Step 5: Solve for x
    x = 128,787,384.48/11,722.15
  6. Step 6: Final answer
    x = 10,986.67

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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.