Home / 12,379.08-16,935.63-12,326.16

Finding the Fourth Proportional to 12,379.08, 16,935.63 and 12,326.16

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Solution

The fourth proportional to 12,379.08, 16,935.63 and 12,326.16 is: 16,863.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379.08 : 16,935.63 = 12,326.16 : x
  2. Step 2: Convert to fraction form
    12,379.08/16,935.63 = 12,326.16/x
  3. Step 3: Cross multiply
    12,379.08x = 16,935.63 × 12,326.16
  4. Step 4: Simplify right side
    12,379.08x = 208,751,285.08
  5. Step 5: Solve for x
    x = 208,751,285.08/12,379.08
  6. Step 6: Final answer
    x = 16,863.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.