Home / 11,409.48-17,113.32-3,618.36

Finding the Fourth Proportional to 11,409.48, 17,113.32 and 3,618.36

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Solution

The fourth proportional to 11,409.48, 17,113.32 and 3,618.36 is: 5,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,409.48 : 17,113.32 = 3,618.36 : x
  2. Step 2: Convert to fraction form
    11,409.48/17,113.32 = 3,618.36/x
  3. Step 3: Cross multiply
    11,409.48x = 17,113.32 × 3,618.36
  4. Step 4: Simplify right side
    11,409.48x = 61,922,152.56
  5. Step 5: Solve for x
    x = 61,922,152.56/11,409.48
  6. Step 6: Final answer
    x = 5,427.25

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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.