Home / 7,664.09-11,497.50-2,986.64

Finding the Fourth Proportional to 7,664.09, 11,497.50 and 2,986.64

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Solution

The fourth proportional to 7,664.09, 11,497.50 and 2,986.64 is: 4,480.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.09 : 11,497.50 = 2,986.64 : x
  2. Step 2: Convert to fraction form
    7,664.09/11,497.50 = 2,986.64/x
  3. Step 3: Cross multiply
    7,664.09x = 11,497.50 × 2,986.64
  4. Step 4: Simplify right side
    7,664.09x = 34,338,878.47
  5. Step 5: Solve for x
    x = 34,338,878.47/7,664.09
  6. Step 6: Final answer
    x = 4,480.49

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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.