Home / 9,224.82-12,730.20-5,245.94

Finding the Fourth Proportional to 9,224.82, 12,730.20 and 5,245.94

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Solution

The fourth proportional to 9,224.82, 12,730.20 and 5,245.94 is: 7,239.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,224.82 : 12,730.20 = 5,245.94 : x
  2. Step 2: Convert to fraction form
    9,224.82/12,730.20 = 5,245.94/x
  3. Step 3: Cross multiply
    9,224.82x = 12,730.20 × 5,245.94
  4. Step 4: Simplify right side
    9,224.82x = 66,781,801.74
  5. Step 5: Solve for x
    x = 66,781,801.74/9,224.82
  6. Step 6: Final answer
    x = 7,239.36

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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.