Home / 11,506.08-17,229.96-9,192.72

Finding the Fourth Proportional to 11,506.08, 17,229.96 and 9,192.72

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Solution

The fourth proportional to 11,506.08, 17,229.96 and 9,192.72 is: 13,765.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,506.08 : 17,229.96 = 9,192.72 : x
  2. Step 2: Convert to fraction form
    11,506.08/17,229.96 = 9,192.72/x
  3. Step 3: Cross multiply
    11,506.08x = 17,229.96 × 9,192.72
  4. Step 4: Simplify right side
    11,506.08x = 158,390,197.89
  5. Step 5: Solve for x
    x = 158,390,197.89/11,506.08
  6. Step 6: Final answer
    x = 13,765.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.