Home / 11,133.76-16,677.96-5,272.60

Finding the Fourth Proportional to 11,133.76, 16,677.96 and 5,272.60

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Solution

The fourth proportional to 11,133.76, 16,677.96 and 5,272.60 is: 7,898.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.76 : 16,677.96 = 5,272.60 : x
  2. Step 2: Convert to fraction form
    11,133.76/16,677.96 = 5,272.60/x
  3. Step 3: Cross multiply
    11,133.76x = 16,677.96 × 5,272.60
  4. Step 4: Simplify right side
    11,133.76x = 87,936,211.90
  5. Step 5: Solve for x
    x = 87,936,211.90/11,133.76
  6. Step 6: Final answer
    x = 7,898.16

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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.