Home / 10,571.62-15,860.06-3,176.21

Finding the Fourth Proportional to 10,571.62, 15,860.06 and 3,176.21

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Solution

The fourth proportional to 10,571.62, 15,860.06 and 3,176.21 is: 4,765.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571.62 : 15,860.06 = 3,176.21 : x
  2. Step 2: Convert to fraction form
    10,571.62/15,860.06 = 3,176.21/x
  3. Step 3: Cross multiply
    10,571.62x = 15,860.06 × 3,176.21
  4. Step 4: Simplify right side
    10,571.62x = 50,374,881.17
  5. Step 5: Solve for x
    x = 50,374,881.17/10,571.62
  6. Step 6: Final answer
    x = 4,765.11

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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.