Home / 11,939.58-16,477.02-6,634.62

Finding the Fourth Proportional to 11,939.58, 16,477.02 and 6,634.62

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Solution

The fourth proportional to 11,939.58, 16,477.02 and 6,634.62 is: 9,156.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.58 : 16,477.02 = 6,634.62 : x
  2. Step 2: Convert to fraction form
    11,939.58/16,477.02 = 6,634.62/x
  3. Step 3: Cross multiply
    11,939.58x = 16,477.02 × 6,634.62
  4. Step 4: Simplify right side
    11,939.58x = 109,318,766.43
  5. Step 5: Solve for x
    x = 109,318,766.43/11,939.58
  6. Step 6: Final answer
    x = 9,156.00

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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.