Home / 9,949.92-13,730.96-5,412.60

Finding the Fourth Proportional to 9,949.92, 13,730.96 and 5,412.60

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Solution

The fourth proportional to 9,949.92, 13,730.96 and 5,412.60 is: 7,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,949.92 : 13,730.96 = 5,412.60 : x
  2. Step 2: Convert to fraction form
    9,949.92/13,730.96 = 5,412.60/x
  3. Step 3: Cross multiply
    9,949.92x = 13,730.96 × 5,412.60
  4. Step 4: Simplify right side
    9,949.92x = 74,320,194.10
  5. Step 5: Solve for x
    x = 74,320,194.10/9,949.92
  6. Step 6: Final answer
    x = 7,469.43

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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.