Home / 10,650.35-15,971.42-3,151.84

Finding the Fourth Proportional to 10,650.35, 15,971.42 and 3,151.84

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Solution

The fourth proportional to 10,650.35, 15,971.42 and 3,151.84 is: 4,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,650.35 : 15,971.42 = 3,151.84 : x
  2. Step 2: Convert to fraction form
    10,650.35/15,971.42 = 3,151.84/x
  3. Step 3: Cross multiply
    10,650.35x = 15,971.42 × 3,151.84
  4. Step 4: Simplify right side
    10,650.35x = 50,339,412.24
  5. Step 5: Solve for x
    x = 50,339,412.24/10,650.35
  6. Step 6: Final answer
    x = 4,726.55

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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.