Home / 11,092.19-15,303.20-8,540.73

Finding the Fourth Proportional to 11,092.19, 15,303.20 and 8,540.73

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Solution

The fourth proportional to 11,092.19, 15,303.20 and 8,540.73 is: 11,783.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,092.19 : 15,303.20 = 8,540.73 : x
  2. Step 2: Convert to fraction form
    11,092.19/15,303.20 = 8,540.73/x
  3. Step 3: Cross multiply
    11,092.19x = 15,303.20 × 8,540.73
  4. Step 4: Simplify right side
    11,092.19x = 130,700,456.63
  5. Step 5: Solve for x
    x = 130,700,456.63/11,092.19
  6. Step 6: Final answer
    x = 11,783.11

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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.