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Finding the Fourth Proportional to 11,698.08, 16,143.08 and 6,393.04

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Solution

The fourth proportional to 11,698.08, 16,143.08 and 6,393.04 is: 8,822.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,698.08 : 16,143.08 = 6,393.04 : x
  2. Step 2: Convert to fraction form
    11,698.08/16,143.08 = 6,393.04/x
  3. Step 3: Cross multiply
    11,698.08x = 16,143.08 × 6,393.04
  4. Step 4: Simplify right side
    11,698.08x = 103,203,356.16
  5. Step 5: Solve for x
    x = 103,203,356.16/11,698.08
  6. Step 6: Final answer
    x = 8,822.25

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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.