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Finding the Fourth Proportional to 9,954.02, 13,747.32 and 6,186.21

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Solution

The fourth proportional to 9,954.02, 13,747.32 and 6,186.21 is: 8,543.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,954.02 : 13,747.32 = 6,186.21 : x
  2. Step 2: Convert to fraction form
    9,954.02/13,747.32 = 6,186.21/x
  3. Step 3: Cross multiply
    9,954.02x = 13,747.32 × 6,186.21
  4. Step 4: Simplify right side
    9,954.02x = 85,043,756.90
  5. Step 5: Solve for x
    x = 85,043,756.90/9,954.02
  6. Step 6: Final answer
    x = 8,543.66

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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.