Home / 10,202.68-15,304.02-6,739.12

Finding the Fourth Proportional to 10,202.68, 15,304.02 and 6,739.12

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Solution

The fourth proportional to 10,202.68, 15,304.02 and 6,739.12 is: 10,108.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202.68 : 15,304.02 = 6,739.12 : x
  2. Step 2: Convert to fraction form
    10,202.68/15,304.02 = 6,739.12/x
  3. Step 3: Cross multiply
    10,202.68x = 15,304.02 × 6,739.12
  4. Step 4: Simplify right side
    10,202.68x = 103,135,627.26
  5. Step 5: Solve for x
    x = 103,135,627.26/10,202.68
  6. Step 6: Final answer
    x = 10,108.68

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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.