Home / 12,176.40-18,259.20-5,604.60

Finding the Fourth Proportional to 12,176.40, 18,259.20 and 5,604.60

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Solution

The fourth proportional to 12,176.40, 18,259.20 and 5,604.60 is: 8,404.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.40 : 18,259.20 = 5,604.60 : x
  2. Step 2: Convert to fraction form
    12,176.40/18,259.20 = 5,604.60/x
  3. Step 3: Cross multiply
    12,176.40x = 18,259.20 × 5,604.60
  4. Step 4: Simplify right side
    12,176.40x = 102,335,512.32
  5. Step 5: Solve for x
    x = 102,335,512.32/12,176.40
  6. Step 6: Final answer
    x = 8,404.41

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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.