Home / 10,433.81-15,646.62-3,855.50

Finding the Fourth Proportional to 10,433.81, 15,646.62 and 3,855.50

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Solution

The fourth proportional to 10,433.81, 15,646.62 and 3,855.50 is: 5,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,433.81 : 15,646.62 = 3,855.50 : x
  2. Step 2: Convert to fraction form
    10,433.81/15,646.62 = 3,855.50/x
  3. Step 3: Cross multiply
    10,433.81x = 15,646.62 × 3,855.50
  4. Step 4: Simplify right side
    10,433.81x = 60,325,516.62
  5. Step 5: Solve for x
    x = 60,325,516.62/10,433.81
  6. Step 6: Final answer
    x = 5,781.73

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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.