Home / 11,936.07-16,470.66-6,630.57

Finding the Fourth Proportional to 11,936.07, 16,470.66 and 6,630.57

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Solution

The fourth proportional to 11,936.07, 16,470.66 and 6,630.57 is: 9,149.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.07 : 16,470.66 = 6,630.57 : x
  2. Step 2: Convert to fraction form
    11,936.07/16,470.66 = 6,630.57/x
  3. Step 3: Cross multiply
    11,936.07x = 16,470.66 × 6,630.57
  4. Step 4: Simplify right side
    11,936.07x = 109,209,864.08
  5. Step 5: Solve for x
    x = 109,209,864.08/11,936.07
  6. Step 6: Final answer
    x = 9,149.57

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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.