Home / 12,746.38-19,119.76-4,849

Finding the Fourth Proportional to 12,746.38, 19,119.76 and 4,849

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Solution

The fourth proportional to 12,746.38, 19,119.76 and 4,849 is: 7,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.38 : 19,119.76 = 4,849 : x
  2. Step 2: Convert to fraction form
    12,746.38/19,119.76 = 4,849/x
  3. Step 3: Cross multiply
    12,746.38x = 19,119.76 × 4,849
  4. Step 4: Simplify right side
    12,746.38x = 92,711,716.24
  5. Step 5: Solve for x
    x = 92,711,716.24/12,746.38
  6. Step 6: Final answer
    x = 7,273.57

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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.