Home / 12,065.74-18,101.02-4,168.54

Finding the Fourth Proportional to 12,065.74, 18,101.02 and 4,168.54

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Solution

The fourth proportional to 12,065.74, 18,101.02 and 4,168.54 is: 6,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.74 : 18,101.02 = 4,168.54 : x
  2. Step 2: Convert to fraction form
    12,065.74/18,101.02 = 4,168.54/x
  3. Step 3: Cross multiply
    12,065.74x = 18,101.02 × 4,168.54
  4. Step 4: Simplify right side
    12,065.74x = 75,454,770.24
  5. Step 5: Solve for x
    x = 75,454,770.24/12,065.74
  6. Step 6: Final answer
    x = 6,253.64

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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.