Home / 10,406.92-15,609.18-2,615.14

Finding the Fourth Proportional to 10,406.92, 15,609.18 and 2,615.14

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Solution

The fourth proportional to 10,406.92, 15,609.18 and 2,615.14 is: 3,922.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406.92 : 15,609.18 = 2,615.14 : x
  2. Step 2: Convert to fraction form
    10,406.92/15,609.18 = 2,615.14/x
  3. Step 3: Cross multiply
    10,406.92x = 15,609.18 × 2,615.14
  4. Step 4: Simplify right side
    10,406.92x = 40,820,190.99
  5. Step 5: Solve for x
    x = 40,820,190.99/10,406.92
  6. Step 6: Final answer
    x = 3,922.41

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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.