Home / 11,353.30-17,012.60-4,775.88

Finding the Fourth Proportional to 11,353.30, 17,012.60 and 4,775.88

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Solution

The fourth proportional to 11,353.30, 17,012.60 and 4,775.88 is: 7,156.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,353.30 : 17,012.60 = 4,775.88 : x
  2. Step 2: Convert to fraction form
    11,353.30/17,012.60 = 4,775.88/x
  3. Step 3: Cross multiply
    11,353.30x = 17,012.60 × 4,775.88
  4. Step 4: Simplify right side
    11,353.30x = 81,250,136.09
  5. Step 5: Solve for x
    x = 81,250,136.09/11,353.30
  6. Step 6: Final answer
    x = 7,156.52

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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.