Home / 11,433.24-15,778.44-6,717.60

Finding the Fourth Proportional to 11,433.24, 15,778.44 and 6,717.60

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Solution

The fourth proportional to 11,433.24, 15,778.44 and 6,717.60 is: 9,270.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433.24 : 15,778.44 = 6,717.60 : x
  2. Step 2: Convert to fraction form
    11,433.24/15,778.44 = 6,717.60/x
  3. Step 3: Cross multiply
    11,433.24x = 15,778.44 × 6,717.60
  4. Step 4: Simplify right side
    11,433.24x = 105,993,248.54
  5. Step 5: Solve for x
    x = 105,993,248.54/11,433.24
  6. Step 6: Final answer
    x = 9,270.62

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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.