Home / 8,366.18-12,552.89-3,170.84

Finding the Fourth Proportional to 8,366.18, 12,552.89 and 3,170.84

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Solution

The fourth proportional to 8,366.18, 12,552.89 and 3,170.84 is: 4,757.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.18 : 12,552.89 = 3,170.84 : x
  2. Step 2: Convert to fraction form
    8,366.18/12,552.89 = 3,170.84/x
  3. Step 3: Cross multiply
    8,366.18x = 12,552.89 × 3,170.84
  4. Step 4: Simplify right side
    8,366.18x = 39,803,127.11
  5. Step 5: Solve for x
    x = 39,803,127.11/8,366.18
  6. Step 6: Final answer
    x = 4,757.63

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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.