Home / 11,941.28-16,478.24-6,635.92

Finding the Fourth Proportional to 11,941.28, 16,478.24 and 6,635.92

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Solution

The fourth proportional to 11,941.28, 16,478.24 and 6,635.92 is: 9,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.28 : 16,478.24 = 6,635.92 : x
  2. Step 2: Convert to fraction form
    11,941.28/16,478.24 = 6,635.92/x
  3. Step 3: Cross multiply
    11,941.28x = 16,478.24 × 6,635.92
  4. Step 4: Simplify right side
    11,941.28x = 109,348,257.77
  5. Step 5: Solve for x
    x = 109,348,257.77/11,941.28
  6. Step 6: Final answer
    x = 9,157.16

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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.