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Finding the Fourth Proportional to 9,543.88, 13,167.86 and 6,186.84

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Solution

The fourth proportional to 9,543.88, 13,167.86 and 6,186.84 is: 8,536.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.88 : 13,167.86 = 6,186.84 : x
  2. Step 2: Convert to fraction form
    9,543.88/13,167.86 = 6,186.84/x
  3. Step 3: Cross multiply
    9,543.88x = 13,167.86 × 6,186.84
  4. Step 4: Simplify right side
    9,543.88x = 81,467,442.96
  5. Step 5: Solve for x
    x = 81,467,442.96/9,543.88
  6. Step 6: Final answer
    x = 8,536.09

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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.