Home / 9,086.61-13,622.55-2,843.40

Finding the Fourth Proportional to 9,086.61, 13,622.55 and 2,843.40

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Solution

The fourth proportional to 9,086.61, 13,622.55 and 2,843.40 is: 4,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086.61 : 13,622.55 = 2,843.40 : x
  2. Step 2: Convert to fraction form
    9,086.61/13,622.55 = 2,843.40/x
  3. Step 3: Cross multiply
    9,086.61x = 13,622.55 × 2,843.40
  4. Step 4: Simplify right side
    9,086.61x = 38,734,358.67
  5. Step 5: Solve for x
    x = 38,734,358.67/9,086.61
  6. Step 6: Final answer
    x = 4,262.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.