Home / 11,940.24-16,478.16-6,635.16

Finding the Fourth Proportional to 11,940.24, 16,478.16 and 6,635.16

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Solution

The fourth proportional to 11,940.24, 16,478.16 and 6,635.16 is: 9,156.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.24 : 16,478.16 = 6,635.16 : x
  2. Step 2: Convert to fraction form
    11,940.24/16,478.16 = 6,635.16/x
  3. Step 3: Cross multiply
    11,940.24x = 16,478.16 × 6,635.16
  4. Step 4: Simplify right side
    11,940.24x = 109,335,228.11
  5. Step 5: Solve for x
    x = 109,335,228.11/11,940.24
  6. Step 6: Final answer
    x = 9,156.87

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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.