Home / 11,849.81-17,759.28-4,821.62

Finding the Fourth Proportional to 11,849.81, 17,759.28 and 4,821.62

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Solution

The fourth proportional to 11,849.81, 17,759.28 and 4,821.62 is: 7,226.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,849.81 : 17,759.28 = 4,821.62 : x
  2. Step 2: Convert to fraction form
    11,849.81/17,759.28 = 4,821.62/x
  3. Step 3: Cross multiply
    11,849.81x = 17,759.28 × 4,821.62
  4. Step 4: Simplify right side
    11,849.81x = 85,628,499.63
  5. Step 5: Solve for x
    x = 85,628,499.63/11,849.81
  6. Step 6: Final answer
    x = 7,226.15

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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.