Home / 8,195.52-12,285.90-3,000.18

Finding the Fourth Proportional to 8,195.52, 12,285.90 and 3,000.18

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Solution

The fourth proportional to 8,195.52, 12,285.90 and 3,000.18 is: 4,497.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.52 : 12,285.90 = 3,000.18 : x
  2. Step 2: Convert to fraction form
    8,195.52/12,285.90 = 3,000.18/x
  3. Step 3: Cross multiply
    8,195.52x = 12,285.90 × 3,000.18
  4. Step 4: Simplify right side
    8,195.52x = 36,859,911.46
  5. Step 5: Solve for x
    x = 36,859,911.46/8,195.52
  6. Step 6: Final answer
    x = 4,497.57

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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.