Home / 11,786.70-16,264.28-6,750.62

Finding the Fourth Proportional to 11,786.70, 16,264.28 and 6,750.62

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Solution

The fourth proportional to 11,786.70, 16,264.28 and 6,750.62 is: 9,315.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.70 : 16,264.28 = 6,750.62 : x
  2. Step 2: Convert to fraction form
    11,786.70/16,264.28 = 6,750.62/x
  3. Step 3: Cross multiply
    11,786.70x = 16,264.28 × 6,750.62
  4. Step 4: Simplify right side
    11,786.70x = 109,793,932.43
  5. Step 5: Solve for x
    x = 109,793,932.43/11,786.70
  6. Step 6: Final answer
    x = 9,315.07

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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.