Home / 10,162.55-15,243.21-3,237.05

Finding the Fourth Proportional to 10,162.55, 15,243.21 and 3,237.05

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Solution

The fourth proportional to 10,162.55, 15,243.21 and 3,237.05 is: 4,855.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,162.55 : 15,243.21 = 3,237.05 : x
  2. Step 2: Convert to fraction form
    10,162.55/15,243.21 = 3,237.05/x
  3. Step 3: Cross multiply
    10,162.55x = 15,243.21 × 3,237.05
  4. Step 4: Simplify right side
    10,162.55x = 49,342,956.71
  5. Step 5: Solve for x
    x = 49,342,956.71/10,162.55
  6. Step 6: Final answer
    x = 4,855.37

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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.