Home / 12,192.52-18,289.41-3,873.18

Finding the Fourth Proportional to 12,192.52, 18,289.41 and 3,873.18

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Solution

The fourth proportional to 12,192.52, 18,289.41 and 3,873.18 is: 5,809.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.52 : 18,289.41 = 3,873.18 : x
  2. Step 2: Convert to fraction form
    12,192.52/18,289.41 = 3,873.18/x
  3. Step 3: Cross multiply
    12,192.52x = 18,289.41 × 3,873.18
  4. Step 4: Simplify right side
    12,192.52x = 70,838,236.53
  5. Step 5: Solve for x
    x = 70,838,236.53/12,192.52
  6. Step 6: Final answer
    x = 5,809.98

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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.