Home / 12,116.73-18,177.54-4,325.34

Finding the Fourth Proportional to 12,116.73, 18,177.54 and 4,325.34

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Solution

The fourth proportional to 12,116.73, 18,177.54 and 4,325.34 is: 6,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116.73 : 18,177.54 = 4,325.34 : x
  2. Step 2: Convert to fraction form
    12,116.73/18,177.54 = 4,325.34/x
  3. Step 3: Cross multiply
    12,116.73x = 18,177.54 × 4,325.34
  4. Step 4: Simplify right side
    12,116.73x = 78,624,040.86
  5. Step 5: Solve for x
    x = 78,624,040.86/12,116.73
  6. Step 6: Final answer
    x = 6,488.88

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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.