Home / 12,216.52-18,323.70-6,672.34

Finding the Fourth Proportional to 12,216.52, 18,323.70 and 6,672.34

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Solution

The fourth proportional to 12,216.52, 18,323.70 and 6,672.34 is: 10,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.52 : 18,323.70 = 6,672.34 : x
  2. Step 2: Convert to fraction form
    12,216.52/18,323.70 = 6,672.34/x
  3. Step 3: Cross multiply
    12,216.52x = 18,323.70 × 6,672.34
  4. Step 4: Simplify right side
    12,216.52x = 122,261,956.46
  5. Step 5: Solve for x
    x = 122,261,956.46/12,216.52
  6. Step 6: Final answer
    x = 10,007.92

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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.