Home / 10,436.42-15,654.63-3,860.84

Finding the Fourth Proportional to 10,436.42, 15,654.63 and 3,860.84

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Solution

The fourth proportional to 10,436.42, 15,654.63 and 3,860.84 is: 5,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.42 : 15,654.63 = 3,860.84 : x
  2. Step 2: Convert to fraction form
    10,436.42/15,654.63 = 3,860.84/x
  3. Step 3: Cross multiply
    10,436.42x = 15,654.63 × 3,860.84
  4. Step 4: Simplify right side
    10,436.42x = 60,440,021.69
  5. Step 5: Solve for x
    x = 60,440,021.69/10,436.42
  6. Step 6: Final answer
    x = 5,791.26

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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.