Home / 12,622.16-17,418.34-6,957.44

Finding the Fourth Proportional to 12,622.16, 17,418.34 and 6,957.44

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Solution

The fourth proportional to 12,622.16, 17,418.34 and 6,957.44 is: 9,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622.16 : 17,418.34 = 6,957.44 : x
  2. Step 2: Convert to fraction form
    12,622.16/17,418.34 = 6,957.44/x
  3. Step 3: Cross multiply
    12,622.16x = 17,418.34 × 6,957.44
  4. Step 4: Simplify right side
    12,622.16x = 121,187,055.45
  5. Step 5: Solve for x
    x = 121,187,055.45/12,622.16
  6. Step 6: Final answer
    x = 9,601.13

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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.