Home / 7,216.64-10,825.68-3,322.16

Finding the Fourth Proportional to 7,216.64, 10,825.68 and 3,322.16

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Solution

The fourth proportional to 7,216.64, 10,825.68 and 3,322.16 is: 4,983.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.64 : 10,825.68 = 3,322.16 : x
  2. Step 2: Convert to fraction form
    7,216.64/10,825.68 = 3,322.16/x
  3. Step 3: Cross multiply
    7,216.64x = 10,825.68 × 3,322.16
  4. Step 4: Simplify right side
    7,216.64x = 35,964,641.07
  5. Step 5: Solve for x
    x = 35,964,641.07/7,216.64
  6. Step 6: Final answer
    x = 4,983.57

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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.