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Finding the Fourth Proportional to 11,973.93, 16,496.49 and 9,455.12

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Solution

The fourth proportional to 11,973.93, 16,496.49 and 9,455.12 is: 13,026.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,973.93 : 16,496.49 = 9,455.12 : x
  2. Step 2: Convert to fraction form
    11,973.93/16,496.49 = 9,455.12/x
  3. Step 3: Cross multiply
    11,973.93x = 16,496.49 × 9,455.12
  4. Step 4: Simplify right side
    11,973.93x = 155,976,292.53
  5. Step 5: Solve for x
    x = 155,976,292.53/11,973.93
  6. Step 6: Final answer
    x = 13,026.32

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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.