Home / 11,147.00-16,714.45-4,899.70

Finding the Fourth Proportional to 11,147.00, 16,714.45 and 4,899.70

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Solution

The fourth proportional to 11,147.00, 16,714.45 and 4,899.70 is: 7,346.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.00 : 16,714.45 = 4,899.70 : x
  2. Step 2: Convert to fraction form
    11,147.00/16,714.45 = 4,899.70/x
  3. Step 3: Cross multiply
    11,147.00x = 16,714.45 × 4,899.70
  4. Step 4: Simplify right side
    11,147.00x = 81,895,736.63
  5. Step 5: Solve for x
    x = 81,895,736.63/11,147.00
  6. Step 6: Final answer
    x = 7,346.89

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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.