Home / 10,154.10-15,233.55-3,228.60

Finding the Fourth Proportional to 10,154.10, 15,233.55 and 3,228.60

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Solution

The fourth proportional to 10,154.10, 15,233.55 and 3,228.60 is: 4,843.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.10 : 15,233.55 = 3,228.60 : x
  2. Step 2: Convert to fraction form
    10,154.10/15,233.55 = 3,228.60/x
  3. Step 3: Cross multiply
    10,154.10x = 15,233.55 × 3,228.60
  4. Step 4: Simplify right side
    10,154.10x = 49,183,039.53
  5. Step 5: Solve for x
    x = 49,183,039.53/10,154.10
  6. Step 6: Final answer
    x = 4,843.66

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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.