Home / 12,052.40-18,076.37-3,730.86

Finding the Fourth Proportional to 12,052.40, 18,076.37 and 3,730.86

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Solution

The fourth proportional to 12,052.40, 18,076.37 and 3,730.86 is: 5,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,052.40 : 18,076.37 = 3,730.86 : x
  2. Step 2: Convert to fraction form
    12,052.40/18,076.37 = 3,730.86/x
  3. Step 3: Cross multiply
    12,052.40x = 18,076.37 × 3,730.86
  4. Step 4: Simplify right side
    12,052.40x = 67,440,387.12
  5. Step 5: Solve for x
    x = 67,440,387.12/12,052.40
  6. Step 6: Final answer
    x = 5,595.60

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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.