Home / 8,949.54-12,358.66-5,768.36

Finding the Fourth Proportional to 8,949.54, 12,358.66 and 5,768.36

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Solution

The fourth proportional to 8,949.54, 12,358.66 and 5,768.36 is: 7,965.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.54 : 12,358.66 = 5,768.36 : x
  2. Step 2: Convert to fraction form
    8,949.54/12,358.66 = 5,768.36/x
  3. Step 3: Cross multiply
    8,949.54x = 12,358.66 × 5,768.36
  4. Step 4: Simplify right side
    8,949.54x = 71,289,200.00
  5. Step 5: Solve for x
    x = 71,289,200.00/8,949.54
  6. Step 6: Final answer
    x = 7,965.68

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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.