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Finding the Fourth Proportional to 9,000.91, 12,407.10 and 6,163.37

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Solution

The fourth proportional to 9,000.91, 12,407.10 and 6,163.37 is: 8,495.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.91 : 12,407.10 = 6,163.37 : x
  2. Step 2: Convert to fraction form
    9,000.91/12,407.10 = 6,163.37/x
  3. Step 3: Cross multiply
    9,000.91x = 12,407.10 × 6,163.37
  4. Step 4: Simplify right side
    9,000.91x = 76,469,547.93
  5. Step 5: Solve for x
    x = 76,469,547.93/9,000.91
  6. Step 6: Final answer
    x = 8,495.76

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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.