Home / 7,631.36-11,448.16-2,435.52

Finding the Fourth Proportional to 7,631.36, 11,448.16 and 2,435.52

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Solution

The fourth proportional to 7,631.36, 11,448.16 and 2,435.52 is: 3,653.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.36 : 11,448.16 = 2,435.52 : x
  2. Step 2: Convert to fraction form
    7,631.36/11,448.16 = 2,435.52/x
  3. Step 3: Cross multiply
    7,631.36x = 11,448.16 × 2,435.52
  4. Step 4: Simplify right side
    7,631.36x = 27,882,222.64
  5. Step 5: Solve for x
    x = 27,882,222.64/7,631.36
  6. Step 6: Final answer
    x = 3,653.64

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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.