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Finding the Fourth Proportional to 11,883.41, 16,398.40 and 6,973.49

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Solution

The fourth proportional to 11,883.41, 16,398.40 and 6,973.49 is: 9,623.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,883.41 : 16,398.40 = 6,973.49 : x
  2. Step 2: Convert to fraction form
    11,883.41/16,398.40 = 6,973.49/x
  3. Step 3: Cross multiply
    11,883.41x = 16,398.40 × 6,973.49
  4. Step 4: Simplify right side
    11,883.41x = 114,354,115.05
  5. Step 5: Solve for x
    x = 114,354,115.05/11,883.41
  6. Step 6: Final answer
    x = 9,623.01

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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.