Home / 11,940.14-16,477.77-6,635.30

Finding the Fourth Proportional to 11,940.14, 16,477.77 and 6,635.30

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Solution

The fourth proportional to 11,940.14, 16,477.77 and 6,635.30 is: 9,156.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.14 : 16,477.77 = 6,635.30 : x
  2. Step 2: Convert to fraction form
    11,940.14/16,477.77 = 6,635.30/x
  3. Step 3: Cross multiply
    11,940.14x = 16,477.77 × 6,635.30
  4. Step 4: Simplify right side
    11,940.14x = 109,334,864.89
  5. Step 5: Solve for x
    x = 109,334,864.89/11,940.14
  6. Step 6: Final answer
    x = 9,156.92

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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.