Home / 11,409.36-17,114.31-3,618.24

Finding the Fourth Proportional to 11,409.36, 17,114.31 and 3,618.24

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Solution

The fourth proportional to 11,409.36, 17,114.31 and 3,618.24 is: 5,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,409.36 : 17,114.31 = 3,618.24 : x
  2. Step 2: Convert to fraction form
    11,409.36/17,114.31 = 3,618.24/x
  3. Step 3: Cross multiply
    11,409.36x = 17,114.31 × 3,618.24
  4. Step 4: Simplify right side
    11,409.36x = 61,923,681.01
  5. Step 5: Solve for x
    x = 61,923,681.01/11,409.36
  6. Step 6: Final answer
    x = 5,427.45

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1.5x scale

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.