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Finding the Fourth Proportional to 11,154.08, 15,393.04 and 6,186.08

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Solution

The fourth proportional to 11,154.08, 15,393.04 and 6,186.08 is: 8,537.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.08 : 15,393.04 = 6,186.08 : x
  2. Step 2: Convert to fraction form
    11,154.08/15,393.04 = 6,186.08/x
  3. Step 3: Cross multiply
    11,154.08x = 15,393.04 × 6,186.08
  4. Step 4: Simplify right side
    11,154.08x = 95,222,576.88
  5. Step 5: Solve for x
    x = 95,222,576.88/11,154.08
  6. Step 6: Final answer
    x = 8,537.02

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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.