Home / 7,835.18-11,751.42-2,213.24

Finding the Fourth Proportional to 7,835.18, 11,751.42 and 2,213.24

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Solution

The fourth proportional to 7,835.18, 11,751.42 and 2,213.24 is: 3,319.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.18 : 11,751.42 = 2,213.24 : x
  2. Step 2: Convert to fraction form
    7,835.18/11,751.42 = 2,213.24/x
  3. Step 3: Cross multiply
    7,835.18x = 11,751.42 × 2,213.24
  4. Step 4: Simplify right side
    7,835.18x = 26,008,712.80
  5. Step 5: Solve for x
    x = 26,008,712.80/7,835.18
  6. Step 6: Final answer
    x = 3,319.48

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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.