Home / 11,939.32-16,476.27-6,634.63

Finding the Fourth Proportional to 11,939.32, 16,476.27 and 6,634.63

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Solution

The fourth proportional to 11,939.32, 16,476.27 and 6,634.63 is: 9,155.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.32 : 16,476.27 = 6,634.63 : x
  2. Step 2: Convert to fraction form
    11,939.32/16,476.27 = 6,634.63/x
  3. Step 3: Cross multiply
    11,939.32x = 16,476.27 × 6,634.63
  4. Step 4: Simplify right side
    11,939.32x = 109,313,955.23
  5. Step 5: Solve for x
    x = 109,313,955.23/11,939.32
  6. Step 6: Final answer
    x = 9,155.79

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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.