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Finding the Fourth Proportional to 12,240.16, 16,891.37 and 6,935.99

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Solution

The fourth proportional to 12,240.16, 16,891.37 and 6,935.99 is: 9,571.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.16 : 16,891.37 = 6,935.99 : x
  2. Step 2: Convert to fraction form
    12,240.16/16,891.37 = 6,935.99/x
  3. Step 3: Cross multiply
    12,240.16x = 16,891.37 × 6,935.99
  4. Step 4: Simplify right side
    12,240.16x = 117,158,288.95
  5. Step 5: Solve for x
    x = 117,158,288.95/12,240.16
  6. Step 6: Final answer
    x = 9,571.63

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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.