Home / 11,939.57-16,476.28-6,634.25

Finding the Fourth Proportional to 11,939.57, 16,476.28 and 6,634.25

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Solution

The fourth proportional to 11,939.57, 16,476.28 and 6,634.25 is: 9,155.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.57 : 16,476.28 = 6,634.25 : x
  2. Step 2: Convert to fraction form
    11,939.57/16,476.28 = 6,634.25/x
  3. Step 3: Cross multiply
    11,939.57x = 16,476.28 × 6,634.25
  4. Step 4: Simplify right side
    11,939.57x = 109,307,645.04
  5. Step 5: Solve for x
    x = 109,307,645.04/11,939.57
  6. Step 6: Final answer
    x = 9,155.08

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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.