Home / 13,336.33-18,403.80-8,793.46

Finding the Fourth Proportional to 13,336.33, 18,403.80 and 8,793.46

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Solution

The fourth proportional to 13,336.33, 18,403.80 and 8,793.46 is: 12,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.33 : 18,403.80 = 8,793.46 : x
  2. Step 2: Convert to fraction form
    13,336.33/18,403.80 = 8,793.46/x
  3. Step 3: Cross multiply
    13,336.33x = 18,403.80 × 8,793.46
  4. Step 4: Simplify right side
    13,336.33x = 161,833,079.15
  5. Step 5: Solve for x
    x = 161,833,079.15/13,336.33
  6. Step 6: Final answer
    x = 12,134.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.