Home / 11,412.36-17,118.63-3,092.45

Finding the Fourth Proportional to 11,412.36, 17,118.63 and 3,092.45

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Solution

The fourth proportional to 11,412.36, 17,118.63 and 3,092.45 is: 4,638.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.36 : 17,118.63 = 3,092.45 : x
  2. Step 2: Convert to fraction form
    11,412.36/17,118.63 = 3,092.45/x
  3. Step 3: Cross multiply
    11,412.36x = 17,118.63 × 3,092.45
  4. Step 4: Simplify right side
    11,412.36x = 52,938,421.75
  5. Step 5: Solve for x
    x = 52,938,421.75/11,412.36
  6. Step 6: Final answer
    x = 4,638.69

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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.