Home / 11,973.76-17,962.64-5,399.80

Finding the Fourth Proportional to 11,973.76, 17,962.64 and 5,399.80

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Solution

The fourth proportional to 11,973.76, 17,962.64 and 5,399.80 is: 8,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,973.76 : 17,962.64 = 5,399.80 : x
  2. Step 2: Convert to fraction form
    11,973.76/17,962.64 = 5,399.80/x
  3. Step 3: Cross multiply
    11,973.76x = 17,962.64 × 5,399.80
  4. Step 4: Simplify right side
    11,973.76x = 96,994,663.47
  5. Step 5: Solve for x
    x = 96,994,663.47/11,973.76
  6. Step 6: Final answer
    x = 8,100.60

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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.