Home / 8,176.20-12,269.70-4,666.20

Finding the Fourth Proportional to 8,176.20, 12,269.70 and 4,666.20

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Solution

The fourth proportional to 8,176.20, 12,269.70 and 4,666.20 is: 7,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.20 : 12,269.70 = 4,666.20 : x
  2. Step 2: Convert to fraction form
    8,176.20/12,269.70 = 4,666.20/x
  3. Step 3: Cross multiply
    8,176.20x = 12,269.70 × 4,666.20
  4. Step 4: Simplify right side
    8,176.20x = 57,252,874.14
  5. Step 5: Solve for x
    x = 57,252,874.14/8,176.20
  6. Step 6: Final answer
    x = 7,002.38

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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.