Home / 9,812.37-14,724.80-3,571.78

Finding the Fourth Proportional to 9,812.37, 14,724.80 and 3,571.78

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Solution

The fourth proportional to 9,812.37, 14,724.80 and 3,571.78 is: 5,359.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,812.37 : 14,724.80 = 3,571.78 : x
  2. Step 2: Convert to fraction form
    9,812.37/14,724.80 = 3,571.78/x
  3. Step 3: Cross multiply
    9,812.37x = 14,724.80 × 3,571.78
  4. Step 4: Simplify right side
    9,812.37x = 52,593,746.14
  5. Step 5: Solve for x
    x = 52,593,746.14/9,812.37
  6. Step 6: Final answer
    x = 5,359.94

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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.