Home / 10,162.01-15,243.87-3,921.77

Finding the Fourth Proportional to 10,162.01, 15,243.87 and 3,921.77

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Solution

The fourth proportional to 10,162.01, 15,243.87 and 3,921.77 is: 5,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,162.01 : 15,243.87 = 3,921.77 : x
  2. Step 2: Convert to fraction form
    10,162.01/15,243.87 = 3,921.77/x
  3. Step 3: Cross multiply
    10,162.01x = 15,243.87 × 3,921.77
  4. Step 4: Simplify right side
    10,162.01x = 59,782,952.05
  5. Step 5: Solve for x
    x = 59,782,952.05/10,162.01
  6. Step 6: Final answer
    x = 5,882.98

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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.