Home / 11,209.51-16,816.11-3,416.50

Finding the Fourth Proportional to 11,209.51, 16,816.11 and 3,416.50

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Solution

The fourth proportional to 11,209.51, 16,816.11 and 3,416.50 is: 5,125.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.51 : 16,816.11 = 3,416.50 : x
  2. Step 2: Convert to fraction form
    11,209.51/16,816.11 = 3,416.50/x
  3. Step 3: Cross multiply
    11,209.51x = 16,816.11 × 3,416.50
  4. Step 4: Simplify right side
    11,209.51x = 57,452,239.82
  5. Step 5: Solve for x
    x = 57,452,239.82/11,209.51
  6. Step 6: Final answer
    x = 5,125.31

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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.