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Finding the Fourth Proportional to 10,191.43, 14,062.03 and 6,659.83

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Solution

The fourth proportional to 10,191.43, 14,062.03 and 6,659.83 is: 9,189.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.43 : 14,062.03 = 6,659.83 : x
  2. Step 2: Convert to fraction form
    10,191.43/14,062.03 = 6,659.83/x
  3. Step 3: Cross multiply
    10,191.43x = 14,062.03 × 6,659.83
  4. Step 4: Simplify right side
    10,191.43x = 93,650,729.25
  5. Step 5: Solve for x
    x = 93,650,729.25/10,191.43
  6. Step 6: Final answer
    x = 9,189.16

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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.