Home / 9,267.47-12,786.43-5,234.09

Finding the Fourth Proportional to 9,267.47, 12,786.43 and 5,234.09

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Solution

The fourth proportional to 9,267.47, 12,786.43 and 5,234.09 is: 7,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,267.47 : 12,786.43 = 5,234.09 : x
  2. Step 2: Convert to fraction form
    9,267.47/12,786.43 = 5,234.09/x
  3. Step 3: Cross multiply
    9,267.47x = 12,786.43 × 5,234.09
  4. Step 4: Simplify right side
    9,267.47x = 66,925,272.92
  5. Step 5: Solve for x
    x = 66,925,272.92/9,267.47
  6. Step 6: Final answer
    x = 7,221.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.