Home / 8,114.20-12,176.70-4,604.20

Finding the Fourth Proportional to 8,114.20, 12,176.70 and 4,604.20

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Solution

The fourth proportional to 8,114.20, 12,176.70 and 4,604.20 is: 6,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.20 : 12,176.70 = 4,604.20 : x
  2. Step 2: Convert to fraction form
    8,114.20/12,176.70 = 4,604.20/x
  3. Step 3: Cross multiply
    8,114.20x = 12,176.70 × 4,604.20
  4. Step 4: Simplify right side
    8,114.20x = 56,063,962.14
  5. Step 5: Solve for x
    x = 56,063,962.14/8,114.20
  6. Step 6: Final answer
    x = 6,909.36

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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.