Home / 12,623.35-18,935.07-3,858.23

Finding the Fourth Proportional to 12,623.35, 18,935.07 and 3,858.23

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Solution

The fourth proportional to 12,623.35, 18,935.07 and 3,858.23 is: 5,787.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.35 : 18,935.07 = 3,858.23 : x
  2. Step 2: Convert to fraction form
    12,623.35/18,935.07 = 3,858.23/x
  3. Step 3: Cross multiply
    12,623.35x = 18,935.07 × 3,858.23
  4. Step 4: Simplify right side
    12,623.35x = 73,055,741.16
  5. Step 5: Solve for x
    x = 73,055,741.16/12,623.35
  6. Step 6: Final answer
    x = 5,787.35

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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.