Home / 12,062.40-18,096.30-3,742.80

Finding the Fourth Proportional to 12,062.40, 18,096.30 and 3,742.80

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Solution

The fourth proportional to 12,062.40, 18,096.30 and 3,742.80 is: 5,615.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062.40 : 18,096.30 = 3,742.80 : x
  2. Step 2: Convert to fraction form
    12,062.40/18,096.30 = 3,742.80/x
  3. Step 3: Cross multiply
    12,062.40x = 18,096.30 × 3,742.80
  4. Step 4: Simplify right side
    12,062.40x = 67,730,831.64
  5. Step 5: Solve for x
    x = 67,730,831.64/12,062.40
  6. Step 6: Final answer
    x = 5,615.04

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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.