Home / 11,243.12-16,860.18-4,664.84

Finding the Fourth Proportional to 11,243.12, 16,860.18 and 4,664.84

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Solution

The fourth proportional to 11,243.12, 16,860.18 and 4,664.84 is: 6,995.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.12 : 16,860.18 = 4,664.84 : x
  2. Step 2: Convert to fraction form
    11,243.12/16,860.18 = 4,664.84/x
  3. Step 3: Cross multiply
    11,243.12x = 16,860.18 × 4,664.84
  4. Step 4: Simplify right side
    11,243.12x = 78,650,042.07
  5. Step 5: Solve for x
    x = 78,650,042.07/11,243.12
  6. Step 6: Final answer
    x = 6,995.39

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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.