Home / 12,167.36-16,790.59-6,789.95

Finding the Fourth Proportional to 12,167.36, 16,790.59 and 6,789.95

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Solution

The fourth proportional to 12,167.36, 16,790.59 and 6,789.95 is: 9,369.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.36 : 16,790.59 = 6,789.95 : x
  2. Step 2: Convert to fraction form
    12,167.36/16,790.59 = 6,789.95/x
  3. Step 3: Cross multiply
    12,167.36x = 16,790.59 × 6,789.95
  4. Step 4: Simplify right side
    12,167.36x = 114,007,266.57
  5. Step 5: Solve for x
    x = 114,007,266.57/12,167.36
  6. Step 6: Final answer
    x = 9,369.93

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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.