Home / 7,467.45-11,199.95-2,786.24

Finding the Fourth Proportional to 7,467.45, 11,199.95 and 2,786.24

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Solution

The fourth proportional to 7,467.45, 11,199.95 and 2,786.24 is: 4,178.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,467.45 : 11,199.95 = 2,786.24 : x
  2. Step 2: Convert to fraction form
    7,467.45/11,199.95 = 2,786.24/x
  3. Step 3: Cross multiply
    7,467.45x = 11,199.95 × 2,786.24
  4. Step 4: Simplify right side
    7,467.45x = 31,205,678.76
  5. Step 5: Solve for x
    x = 31,205,678.76/7,467.45
  6. Step 6: Final answer
    x = 4,178.89

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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.