Home / 11,760.93-17,641.40-3,975.21

Finding the Fourth Proportional to 11,760.93, 17,641.40 and 3,975.21

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Solution

The fourth proportional to 11,760.93, 17,641.40 and 3,975.21 is: 5,962.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.93 : 17,641.40 = 3,975.21 : x
  2. Step 2: Convert to fraction form
    11,760.93/17,641.40 = 3,975.21/x
  3. Step 3: Cross multiply
    11,760.93x = 17,641.40 × 3,975.21
  4. Step 4: Simplify right side
    11,760.93x = 70,128,249.82
  5. Step 5: Solve for x
    x = 70,128,249.82/11,760.93
  6. Step 6: Final answer
    x = 5,962.82

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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.