Home / 6,113.12-9,168.36-1,729.40

Finding the Fourth Proportional to 6,113.12, 9,168.36 and 1,729.40

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Solution

The fourth proportional to 6,113.12, 9,168.36 and 1,729.40 is: 2,593.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.12 : 9,168.36 = 1,729.40 : x
  2. Step 2: Convert to fraction form
    6,113.12/9,168.36 = 1,729.40/x
  3. Step 3: Cross multiply
    6,113.12x = 9,168.36 × 1,729.40
  4. Step 4: Simplify right side
    6,113.12x = 15,855,761.78
  5. Step 5: Solve for x
    x = 15,855,761.78/6,113.12
  6. Step 6: Final answer
    x = 2,593.73

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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.