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Finding the Fourth Proportional to 10,662.03, 14,714.06 and 6,186.78

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Solution

The fourth proportional to 10,662.03, 14,714.06 and 6,186.78 is: 8,538.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.03 : 14,714.06 = 6,186.78 : x
  2. Step 2: Convert to fraction form
    10,662.03/14,714.06 = 6,186.78/x
  3. Step 3: Cross multiply
    10,662.03x = 14,714.06 × 6,186.78
  4. Step 4: Simplify right side
    10,662.03x = 91,032,621.19
  5. Step 5: Solve for x
    x = 91,032,621.19/10,662.03
  6. Step 6: Final answer
    x = 8,538.02

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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.