Home / 9,165.12-13,747.46-2,591.22

Finding the Fourth Proportional to 9,165.12, 13,747.46 and 2,591.22

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Solution

The fourth proportional to 9,165.12, 13,747.46 and 2,591.22 is: 3,886.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.12 : 13,747.46 = 2,591.22 : x
  2. Step 2: Convert to fraction form
    9,165.12/13,747.46 = 2,591.22/x
  3. Step 3: Cross multiply
    9,165.12x = 13,747.46 × 2,591.22
  4. Step 4: Simplify right side
    9,165.12x = 35,622,693.30
  5. Step 5: Solve for x
    x = 35,622,693.30/9,165.12
  6. Step 6: Final answer
    x = 3,886.77

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1.5x scale

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.