Home / 11,396.76-15,727.10-6,360.92

Finding the Fourth Proportional to 11,396.76, 15,727.10 and 6,360.92

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Solution

The fourth proportional to 11,396.76, 15,727.10 and 6,360.92 is: 8,777.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,396.76 : 15,727.10 = 6,360.92 : x
  2. Step 2: Convert to fraction form
    11,396.76/15,727.10 = 6,360.92/x
  3. Step 3: Cross multiply
    11,396.76x = 15,727.10 × 6,360.92
  4. Step 4: Simplify right side
    11,396.76x = 100,038,824.93
  5. Step 5: Solve for x
    x = 100,038,824.93/11,396.76
  6. Step 6: Final answer
    x = 8,777.83

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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.