Home / 11,251.55-15,517.06-9,369.37

Finding the Fourth Proportional to 11,251.55, 15,517.06 and 9,369.37

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Solution

The fourth proportional to 11,251.55, 15,517.06 and 9,369.37 is: 12,921.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.55 : 15,517.06 = 9,369.37 : x
  2. Step 2: Convert to fraction form
    11,251.55/15,517.06 = 9,369.37/x
  3. Step 3: Cross multiply
    11,251.55x = 15,517.06 × 9,369.37
  4. Step 4: Simplify right side
    11,251.55x = 145,385,014.24
  5. Step 5: Solve for x
    x = 145,385,014.24/11,251.55
  6. Step 6: Final answer
    x = 12,921.33

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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.