Home / 12,427.24-18,641.44-4,107.07

Finding the Fourth Proportional to 12,427.24, 18,641.44 and 4,107.07

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Solution

The fourth proportional to 12,427.24, 18,641.44 and 4,107.07 is: 6,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427.24 : 18,641.44 = 4,107.07 : x
  2. Step 2: Convert to fraction form
    12,427.24/18,641.44 = 4,107.07/x
  3. Step 3: Cross multiply
    12,427.24x = 18,641.44 × 4,107.07
  4. Step 4: Simplify right side
    12,427.24x = 76,561,648.77
  5. Step 5: Solve for x
    x = 76,561,648.77/12,427.24
  6. Step 6: Final answer
    x = 6,160.80

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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.