Home / 11,330.18-16,992.30-5,086.70

Finding the Fourth Proportional to 11,330.18, 16,992.30 and 5,086.70

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Solution

The fourth proportional to 11,330.18, 16,992.30 and 5,086.70 is: 7,628.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.18 : 16,992.30 = 5,086.70 : x
  2. Step 2: Convert to fraction form
    11,330.18/16,992.30 = 5,086.70/x
  3. Step 3: Cross multiply
    11,330.18x = 16,992.30 × 5,086.70
  4. Step 4: Simplify right side
    11,330.18x = 86,434,732.41
  5. Step 5: Solve for x
    x = 86,434,732.41/11,330.18
  6. Step 6: Final answer
    x = 7,628.72

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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.