Home / 12,101.68-18,152.56-3,336.40

Finding the Fourth Proportional to 12,101.68, 18,152.56 and 3,336.40

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Solution

The fourth proportional to 12,101.68, 18,152.56 and 3,336.40 is: 5,004.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.68 : 18,152.56 = 3,336.40 : x
  2. Step 2: Convert to fraction form
    12,101.68/18,152.56 = 3,336.40/x
  3. Step 3: Cross multiply
    12,101.68x = 18,152.56 × 3,336.40
  4. Step 4: Simplify right side
    12,101.68x = 60,564,201.18
  5. Step 5: Solve for x
    x = 60,564,201.18/12,101.68
  6. Step 6: Final answer
    x = 5,004.61

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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.