Home / 11,227.90-16,820.30-6,282.56

Finding the Fourth Proportional to 11,227.90, 16,820.30 and 6,282.56

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Solution

The fourth proportional to 11,227.90, 16,820.30 and 6,282.56 is: 9,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.90 : 16,820.30 = 6,282.56 : x
  2. Step 2: Convert to fraction form
    11,227.90/16,820.30 = 6,282.56/x
  3. Step 3: Cross multiply
    11,227.90x = 16,820.30 × 6,282.56
  4. Step 4: Simplify right side
    11,227.90x = 105,674,543.97
  5. Step 5: Solve for x
    x = 105,674,543.97/11,227.90
  6. Step 6: Final answer
    x = 9,411.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.