Home / 12,124.36-18,184.48-3,357.22

Finding the Fourth Proportional to 12,124.36, 18,184.48 and 3,357.22

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Solution

The fourth proportional to 12,124.36, 18,184.48 and 3,357.22 is: 5,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124.36 : 18,184.48 = 3,357.22 : x
  2. Step 2: Convert to fraction form
    12,124.36/18,184.48 = 3,357.22/x
  3. Step 3: Cross multiply
    12,124.36x = 18,184.48 × 3,357.22
  4. Step 4: Simplify right side
    12,124.36x = 61,049,283.16
  5. Step 5: Solve for x
    x = 61,049,283.16/12,124.36
  6. Step 6: Final answer
    x = 5,035.26

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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.