Home / 8,174.12-12,277.58-6,329.34

Finding the Fourth Proportional to 8,174.12, 12,277.58 and 6,329.34

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Solution

The fourth proportional to 8,174.12, 12,277.58 and 6,329.34 is: 9,506.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.12 : 12,277.58 = 6,329.34 : x
  2. Step 2: Convert to fraction form
    8,174.12/12,277.58 = 6,329.34/x
  3. Step 3: Cross multiply
    8,174.12x = 12,277.58 × 6,329.34
  4. Step 4: Simplify right side
    8,174.12x = 77,708,946.55
  5. Step 5: Solve for x
    x = 77,708,946.55/8,174.12
  6. Step 6: Final answer
    x = 9,506.71

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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.