Home / 10,759.70-16,139.56-3,364.20

Finding the Fourth Proportional to 10,759.70, 16,139.56 and 3,364.20

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Solution

The fourth proportional to 10,759.70, 16,139.56 and 3,364.20 is: 5,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,759.70 : 16,139.56 = 3,364.20 : x
  2. Step 2: Convert to fraction form
    10,759.70/16,139.56 = 3,364.20/x
  3. Step 3: Cross multiply
    10,759.70x = 16,139.56 × 3,364.20
  4. Step 4: Simplify right side
    10,759.70x = 54,296,707.75
  5. Step 5: Solve for x
    x = 54,296,707.75/10,759.70
  6. Step 6: Final answer
    x = 5,046.30

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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.