Home / 12,436.56-18,655.88-4,116.33

Finding the Fourth Proportional to 12,436.56, 18,655.88 and 4,116.33

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Solution

The fourth proportional to 12,436.56, 18,655.88 and 4,116.33 is: 6,174.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.56 : 18,655.88 = 4,116.33 : x
  2. Step 2: Convert to fraction form
    12,436.56/18,655.88 = 4,116.33/x
  3. Step 3: Cross multiply
    12,436.56x = 18,655.88 × 4,116.33
  4. Step 4: Simplify right side
    12,436.56x = 76,793,737.94
  5. Step 5: Solve for x
    x = 76,793,737.94/12,436.56
  6. Step 6: Final answer
    x = 6,174.84

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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.