Home / 7,451.55-11,174.58-2,185.13

Finding the Fourth Proportional to 7,451.55, 11,174.58 and 2,185.13

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Solution

The fourth proportional to 7,451.55, 11,174.58 and 2,185.13 is: 3,276.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.55 : 11,174.58 = 2,185.13 : x
  2. Step 2: Convert to fraction form
    7,451.55/11,174.58 = 2,185.13/x
  3. Step 3: Cross multiply
    7,451.55x = 11,174.58 × 2,185.13
  4. Step 4: Simplify right side
    7,451.55x = 24,417,854.12
  5. Step 5: Solve for x
    x = 24,417,854.12/7,451.55
  6. Step 6: Final answer
    x = 3,276.88

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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.