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Finding the Fourth Proportional to 11,958.80, 16,501.97 and 6,922.01

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Solution

The fourth proportional to 11,958.80, 16,501.97 and 6,922.01 is: 9,551.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.80 : 16,501.97 = 6,922.01 : x
  2. Step 2: Convert to fraction form
    11,958.80/16,501.97 = 6,922.01/x
  3. Step 3: Cross multiply
    11,958.80x = 16,501.97 × 6,922.01
  4. Step 4: Simplify right side
    11,958.80x = 114,226,684.24
  5. Step 5: Solve for x
    x = 114,226,684.24/11,958.80
  6. Step 6: Final answer
    x = 9,551.69

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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.