Home / 11,271.60-16,902.52-8,676.36

Finding the Fourth Proportional to 11,271.60, 16,902.52 and 8,676.36

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Solution

The fourth proportional to 11,271.60, 16,902.52 and 8,676.36 is: 13,010.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.60 : 16,902.52 = 8,676.36 : x
  2. Step 2: Convert to fraction form
    11,271.60/16,902.52 = 8,676.36/x
  3. Step 3: Cross multiply
    11,271.60x = 16,902.52 × 8,676.36
  4. Step 4: Simplify right side
    11,271.60x = 146,652,348.43
  5. Step 5: Solve for x
    x = 146,652,348.43/11,271.60
  6. Step 6: Final answer
    x = 13,010.78

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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.