Home / 7,464.35-11,212.80-7,215.23

Finding the Fourth Proportional to 7,464.35, 11,212.80 and 7,215.23

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Solution

The fourth proportional to 7,464.35, 11,212.80 and 7,215.23 is: 10,838.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,464.35 : 11,212.80 = 7,215.23 : x
  2. Step 2: Convert to fraction form
    7,464.35/11,212.80 = 7,215.23/x
  3. Step 3: Cross multiply
    7,464.35x = 11,212.80 × 7,215.23
  4. Step 4: Simplify right side
    7,464.35x = 80,902,874.88
  5. Step 5: Solve for x
    x = 80,902,874.88/7,464.35
  6. Step 6: Final answer
    x = 10,838.58

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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.