Home / 12,804.76-19,209.06-3,571.48

Finding the Fourth Proportional to 12,804.76, 19,209.06 and 3,571.48

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Solution

The fourth proportional to 12,804.76, 19,209.06 and 3,571.48 is: 5,357.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804.76 : 19,209.06 = 3,571.48 : x
  2. Step 2: Convert to fraction form
    12,804.76/19,209.06 = 3,571.48/x
  3. Step 3: Cross multiply
    12,804.76x = 19,209.06 × 3,571.48
  4. Step 4: Simplify right side
    12,804.76x = 68,604,773.61
  5. Step 5: Solve for x
    x = 68,604,773.61/12,804.76
  6. Step 6: Final answer
    x = 5,357.76

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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.