Home / 11,165.17-16,747.89-2,845.18

Finding the Fourth Proportional to 11,165.17, 16,747.89 and 2,845.18

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Solution

The fourth proportional to 11,165.17, 16,747.89 and 2,845.18 is: 4,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.17 : 16,747.89 = 2,845.18 : x
  2. Step 2: Convert to fraction form
    11,165.17/16,747.89 = 2,845.18/x
  3. Step 3: Cross multiply
    11,165.17x = 16,747.89 × 2,845.18
  4. Step 4: Simplify right side
    11,165.17x = 47,650,761.67
  5. Step 5: Solve for x
    x = 47,650,761.67/11,165.17
  6. Step 6: Final answer
    x = 4,267.80

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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.