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Finding the Fourth Proportional to 11,888.67, 16,406.88 and 6,583.49

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Solution

The fourth proportional to 11,888.67, 16,406.88 and 6,583.49 is: 9,085.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.67 : 16,406.88 = 6,583.49 : x
  2. Step 2: Convert to fraction form
    11,888.67/16,406.88 = 6,583.49/x
  3. Step 3: Cross multiply
    11,888.67x = 16,406.88 × 6,583.49
  4. Step 4: Simplify right side
    11,888.67x = 108,014,530.41
  5. Step 5: Solve for x
    x = 108,014,530.41/11,888.67
  6. Step 6: Final answer
    x = 9,085.50

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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.