Home / 12,828.17-19,243.59-3,468.26

Finding the Fourth Proportional to 12,828.17, 19,243.59 and 3,468.26

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Solution

The fourth proportional to 12,828.17, 19,243.59 and 3,468.26 is: 5,202.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828.17 : 19,243.59 = 3,468.26 : x
  2. Step 2: Convert to fraction form
    12,828.17/19,243.59 = 3,468.26/x
  3. Step 3: Cross multiply
    12,828.17x = 19,243.59 × 3,468.26
  4. Step 4: Simplify right side
    12,828.17x = 66,741,677.24
  5. Step 5: Solve for x
    x = 66,741,677.24/12,828.17
  6. Step 6: Final answer
    x = 5,202.75

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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.