Home / 10,163.59-15,245.88-3,148.45

Finding the Fourth Proportional to 10,163.59, 15,245.88 and 3,148.45

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Solution

The fourth proportional to 10,163.59, 15,245.88 and 3,148.45 is: 4,722.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.59 : 15,245.88 = 3,148.45 : x
  2. Step 2: Convert to fraction form
    10,163.59/15,245.88 = 3,148.45/x
  3. Step 3: Cross multiply
    10,163.59x = 15,245.88 × 3,148.45
  4. Step 4: Simplify right side
    10,163.59x = 48,000,890.89
  5. Step 5: Solve for x
    x = 48,000,890.89/10,163.59
  6. Step 6: Final answer
    x = 4,722.83

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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.