Home / 12,062.12-18,090.86-3,740.90

Finding the Fourth Proportional to 12,062.12, 18,090.86 and 3,740.90

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Solution

The fourth proportional to 12,062.12, 18,090.86 and 3,740.90 is: 5,610.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062.12 : 18,090.86 = 3,740.90 : x
  2. Step 2: Convert to fraction form
    12,062.12/18,090.86 = 3,740.90/x
  3. Step 3: Cross multiply
    12,062.12x = 18,090.86 × 3,740.90
  4. Step 4: Simplify right side
    12,062.12x = 67,675,989.02
  5. Step 5: Solve for x
    x = 67,675,989.02/12,062.12
  6. Step 6: Final answer
    x = 5,610.62

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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.