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Finding the Fourth Proportional to 11,888.76, 16,407.41 and 6,584.07

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Solution

The fourth proportional to 11,888.76, 16,407.41 and 6,584.07 is: 9,086.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.76 : 16,407.41 = 6,584.07 : x
  2. Step 2: Convert to fraction form
    11,888.76/16,407.41 = 6,584.07/x
  3. Step 3: Cross multiply
    11,888.76x = 16,407.41 × 6,584.07
  4. Step 4: Simplify right side
    11,888.76x = 108,027,535.96
  5. Step 5: Solve for x
    x = 108,027,535.96/11,888.76
  6. Step 6: Final answer
    x = 9,086.53

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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.