Home / 11,076.60-16,624.62-8,306.40

Finding the Fourth Proportional to 11,076.60, 16,624.62 and 8,306.40

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Solution

The fourth proportional to 11,076.60, 16,624.62 and 8,306.40 is: 12,466.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.60 : 16,624.62 = 8,306.40 : x
  2. Step 2: Convert to fraction form
    11,076.60/16,624.62 = 8,306.40/x
  3. Step 3: Cross multiply
    11,076.60x = 16,624.62 × 8,306.40
  4. Step 4: Simplify right side
    11,076.60x = 138,090,743.57
  5. Step 5: Solve for x
    x = 138,090,743.57/11,076.60
  6. Step 6: Final answer
    x = 12,466.89

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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.