Home / 10,135.44-13,989.24-5,945.04

Finding the Fourth Proportional to 10,135.44, 13,989.24 and 5,945.04

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Solution

The fourth proportional to 10,135.44, 13,989.24 and 5,945.04 is: 8,205.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.44 : 13,989.24 = 5,945.04 : x
  2. Step 2: Convert to fraction form
    10,135.44/13,989.24 = 5,945.04/x
  3. Step 3: Cross multiply
    10,135.44x = 13,989.24 × 5,945.04
  4. Step 4: Simplify right side
    10,135.44x = 83,166,591.37
  5. Step 5: Solve for x
    x = 83,166,591.37/10,135.44
  6. Step 6: Final answer
    x = 8,205.52

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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.