Home / 7,884.62-11,829.65-3,505.14

Finding the Fourth Proportional to 7,884.62, 11,829.65 and 3,505.14

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Solution

The fourth proportional to 7,884.62, 11,829.65 and 3,505.14 is: 5,258.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.62 : 11,829.65 = 3,505.14 : x
  2. Step 2: Convert to fraction form
    7,884.62/11,829.65 = 3,505.14/x
  3. Step 3: Cross multiply
    7,884.62x = 11,829.65 × 3,505.14
  4. Step 4: Simplify right side
    7,884.62x = 41,464,579.40
  5. Step 5: Solve for x
    x = 41,464,579.40/7,884.62
  6. Step 6: Final answer
    x = 5,258.92

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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.