Home / 11,239.85-16,859.16-3,448.67

Finding the Fourth Proportional to 11,239.85, 16,859.16 and 3,448.67

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Solution

The fourth proportional to 11,239.85, 16,859.16 and 3,448.67 is: 5,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.85 : 16,859.16 = 3,448.67 : x
  2. Step 2: Convert to fraction form
    11,239.85/16,859.16 = 3,448.67/x
  3. Step 3: Cross multiply
    11,239.85x = 16,859.16 × 3,448.67
  4. Step 4: Simplify right side
    11,239.85x = 58,141,595.02
  5. Step 5: Solve for x
    x = 58,141,595.02/11,239.85
  6. Step 6: Final answer
    x = 5,172.81

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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.