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Finding the Fourth Proportional to 12,251.01, 16,888.32 and 9,559.23

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Solution

The fourth proportional to 12,251.01, 16,888.32 and 9,559.23 is: 13,177.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.01 : 16,888.32 = 9,559.23 : x
  2. Step 2: Convert to fraction form
    12,251.01/16,888.32 = 9,559.23/x
  3. Step 3: Cross multiply
    12,251.01x = 16,888.32 × 9,559.23
  4. Step 4: Simplify right side
    12,251.01x = 161,439,335.19
  5. Step 5: Solve for x
    x = 161,439,335.19/12,251.01
  6. Step 6: Final answer
    x = 13,177.63

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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.