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Finding the Fourth Proportional to 8,294.88, 11,461.51 and 6,630.03

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Solution

The fourth proportional to 8,294.88, 11,461.51 and 6,630.03 is: 9,161.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,294.88 : 11,461.51 = 6,630.03 : x
  2. Step 2: Convert to fraction form
    8,294.88/11,461.51 = 6,630.03/x
  3. Step 3: Cross multiply
    8,294.88x = 11,461.51 × 6,630.03
  4. Step 4: Simplify right side
    8,294.88x = 75,990,155.15
  5. Step 5: Solve for x
    x = 75,990,155.15/8,294.88
  6. Step 6: Final answer
    x = 9,161.09

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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.