Home / 9,329.45-12,861.99-6,672.24

Finding the Fourth Proportional to 9,329.45, 12,861.99 and 6,672.24

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Solution

The fourth proportional to 9,329.45, 12,861.99 and 6,672.24 is: 9,198.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.45 : 12,861.99 = 6,672.24 : x
  2. Step 2: Convert to fraction form
    9,329.45/12,861.99 = 6,672.24/x
  3. Step 3: Cross multiply
    9,329.45x = 12,861.99 × 6,672.24
  4. Step 4: Simplify right side
    9,329.45x = 85,818,284.16
  5. Step 5: Solve for x
    x = 85,818,284.16/9,329.45
  6. Step 6: Final answer
    x = 9,198.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.