Home / 12,039.52-18,059.28-3,274.48

Finding the Fourth Proportional to 12,039.52, 18,059.28 and 3,274.48

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Solution

The fourth proportional to 12,039.52, 18,059.28 and 3,274.48 is: 4,911.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.52 : 18,059.28 = 3,274.48 : x
  2. Step 2: Convert to fraction form
    12,039.52/18,059.28 = 3,274.48/x
  3. Step 3: Cross multiply
    12,039.52x = 18,059.28 × 3,274.48
  4. Step 4: Simplify right side
    12,039.52x = 59,134,751.17
  5. Step 5: Solve for x
    x = 59,134,751.17/12,039.52
  6. Step 6: Final answer
    x = 4,911.72

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Similar ratio
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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.