Home / 10,995.83-16,489.60-4,755.36

Finding the Fourth Proportional to 10,995.83, 16,489.60 and 4,755.36

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Solution

The fourth proportional to 10,995.83, 16,489.60 and 4,755.36 is: 7,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.83 : 16,489.60 = 4,755.36 : x
  2. Step 2: Convert to fraction form
    10,995.83/16,489.60 = 4,755.36/x
  3. Step 3: Cross multiply
    10,995.83x = 16,489.60 × 4,755.36
  4. Step 4: Simplify right side
    10,995.83x = 78,413,954.82
  5. Step 5: Solve for x
    x = 78,413,954.82/10,995.83
  6. Step 6: Final answer
    x = 7,131.25

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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.