Home / 8,981.87-13,471.26-2,406.52

Finding the Fourth Proportional to 8,981.87, 13,471.26 and 2,406.52

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Solution

The fourth proportional to 8,981.87, 13,471.26 and 2,406.52 is: 3,609.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.87 : 13,471.26 = 2,406.52 : x
  2. Step 2: Convert to fraction form
    8,981.87/13,471.26 = 2,406.52/x
  3. Step 3: Cross multiply
    8,981.87x = 13,471.26 × 2,406.52
  4. Step 4: Simplify right side
    8,981.87x = 32,418,856.62
  5. Step 5: Solve for x
    x = 32,418,856.62/8,981.87
  6. Step 6: Final answer
    x = 3,609.37

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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.