Home / 11,338.75-17,009.40-3,019.09

Finding the Fourth Proportional to 11,338.75, 17,009.40 and 3,019.09

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Solution

The fourth proportional to 11,338.75, 17,009.40 and 3,019.09 is: 4,528.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.75 : 17,009.40 = 3,019.09 : x
  2. Step 2: Convert to fraction form
    11,338.75/17,009.40 = 3,019.09/x
  3. Step 3: Cross multiply
    11,338.75x = 17,009.40 × 3,019.09
  4. Step 4: Simplify right side
    11,338.75x = 51,352,909.45
  5. Step 5: Solve for x
    x = 51,352,909.45/11,338.75
  6. Step 6: Final answer
    x = 4,528.97

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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.