Home / 12,133.26-16,743.86-6,828.08

Finding the Fourth Proportional to 12,133.26, 16,743.86 and 6,828.08

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Solution

The fourth proportional to 12,133.26, 16,743.86 and 6,828.08 is: 9,422.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.26 : 16,743.86 = 6,828.08 : x
  2. Step 2: Convert to fraction form
    12,133.26/16,743.86 = 6,828.08/x
  3. Step 3: Cross multiply
    12,133.26x = 16,743.86 × 6,828.08
  4. Step 4: Simplify right side
    12,133.26x = 114,328,455.93
  5. Step 5: Solve for x
    x = 114,328,455.93/12,133.26
  6. Step 6: Final answer
    x = 9,422.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.