Home / 11,097.72-16,646.64-3,306.60

Finding the Fourth Proportional to 11,097.72, 16,646.64 and 3,306.60

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Solution

The fourth proportional to 11,097.72, 16,646.64 and 3,306.60 is: 4,959.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,097.72 : 16,646.64 = 3,306.60 : x
  2. Step 2: Convert to fraction form
    11,097.72/16,646.64 = 3,306.60/x
  3. Step 3: Cross multiply
    11,097.72x = 16,646.64 × 3,306.60
  4. Step 4: Simplify right side
    11,097.72x = 55,043,779.82
  5. Step 5: Solve for x
    x = 55,043,779.82/11,097.72
  6. Step 6: Final answer
    x = 4,959.92

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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.