Home / 12,849.96-19,273.14-4,085.76

Finding the Fourth Proportional to 12,849.96, 19,273.14 and 4,085.76

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Solution

The fourth proportional to 12,849.96, 19,273.14 and 4,085.76 is: 6,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.96 : 19,273.14 = 4,085.76 : x
  2. Step 2: Convert to fraction form
    12,849.96/19,273.14 = 4,085.76/x
  3. Step 3: Cross multiply
    12,849.96x = 19,273.14 × 4,085.76
  4. Step 4: Simplify right side
    12,849.96x = 78,745,424.49
  5. Step 5: Solve for x
    x = 78,745,424.49/12,849.96
  6. Step 6: Final answer
    x = 6,128.07

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1.5x scale

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.