Home / 12,622.27-17,418.63-6,957.25

Finding the Fourth Proportional to 12,622.27, 17,418.63 and 6,957.25

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Solution

The fourth proportional to 12,622.27, 17,418.63 and 6,957.25 is: 9,600.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622.27 : 17,418.63 = 6,957.25 : x
  2. Step 2: Convert to fraction form
    12,622.27/17,418.63 = 6,957.25/x
  3. Step 3: Cross multiply
    12,622.27x = 17,418.63 × 6,957.25
  4. Step 4: Simplify right side
    12,622.27x = 121,185,763.57
  5. Step 5: Solve for x
    x = 121,185,763.57/12,622.27
  6. Step 6: Final answer
    x = 9,600.95

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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.