Home / 10,566.62-15,852.56-3,171.21

Finding the Fourth Proportional to 10,566.62, 15,852.56 and 3,171.21

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Solution

The fourth proportional to 10,566.62, 15,852.56 and 3,171.21 is: 4,757.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,566.62 : 15,852.56 = 3,171.21 : x
  2. Step 2: Convert to fraction form
    10,566.62/15,852.56 = 3,171.21/x
  3. Step 3: Cross multiply
    10,566.62x = 15,852.56 × 3,171.21
  4. Step 4: Simplify right side
    10,566.62x = 50,271,780.94
  5. Step 5: Solve for x
    x = 50,271,780.94/10,566.62
  6. Step 6: Final answer
    x = 4,757.61

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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.