Home / 11,665.42-17,374.40-11,608.92

Finding the Fourth Proportional to 11,665.42, 17,374.40 and 11,608.92

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Solution

The fourth proportional to 11,665.42, 17,374.40 and 11,608.92 is: 17,290.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,665.42 : 17,374.40 = 11,608.92 : x
  2. Step 2: Convert to fraction form
    11,665.42/17,374.40 = 11,608.92/x
  3. Step 3: Cross multiply
    11,665.42x = 17,374.40 × 11,608.92
  4. Step 4: Simplify right side
    11,665.42x = 201,698,019.65
  5. Step 5: Solve for x
    x = 201,698,019.65/11,665.42
  6. Step 6: Final answer
    x = 17,290.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.