Home / 11,209.48-16,817.85-5,366.50

Finding the Fourth Proportional to 11,209.48, 16,817.85 and 5,366.50

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Solution

The fourth proportional to 11,209.48, 16,817.85 and 5,366.50 is: 8,051.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.48 : 16,817.85 = 5,366.50 : x
  2. Step 2: Convert to fraction form
    11,209.48/16,817.85 = 5,366.50/x
  3. Step 3: Cross multiply
    11,209.48x = 16,817.85 × 5,366.50
  4. Step 4: Simplify right side
    11,209.48x = 90,252,992.03
  5. Step 5: Solve for x
    x = 90,252,992.03/11,209.48
  6. Step 6: Final answer
    x = 8,051.49

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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.