Home / 8,191.62-11,303.61-4,654.14

Finding the Fourth Proportional to 8,191.62, 11,303.61 and 4,654.14

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Solution

The fourth proportional to 8,191.62, 11,303.61 and 4,654.14 is: 6,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191.62 : 11,303.61 = 4,654.14 : x
  2. Step 2: Convert to fraction form
    8,191.62/11,303.61 = 4,654.14/x
  3. Step 3: Cross multiply
    8,191.62x = 11,303.61 × 4,654.14
  4. Step 4: Simplify right side
    8,191.62x = 52,608,583.45
  5. Step 5: Solve for x
    x = 52,608,583.45/8,191.62
  6. Step 6: Final answer
    x = 6,422.24

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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.