Home / 11,719.75-17,579.69-4,794.25

Finding the Fourth Proportional to 11,719.75, 17,579.69 and 4,794.25

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Solution

The fourth proportional to 11,719.75, 17,579.69 and 4,794.25 is: 7,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.75 : 17,579.69 = 4,794.25 : x
  2. Step 2: Convert to fraction form
    11,719.75/17,579.69 = 4,794.25/x
  3. Step 3: Cross multiply
    11,719.75x = 17,579.69 × 4,794.25
  4. Step 4: Simplify right side
    11,719.75x = 84,281,428.78
  5. Step 5: Solve for x
    x = 84,281,428.78/11,719.75
  6. Step 6: Final answer
    x = 7,191.40

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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.