Home / 11,458.60-17,185.12-4,791.49

Finding the Fourth Proportional to 11,458.60, 17,185.12 and 4,791.49

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Solution

The fourth proportional to 11,458.60, 17,185.12 and 4,791.49 is: 7,186.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458.60 : 17,185.12 = 4,791.49 : x
  2. Step 2: Convert to fraction form
    11,458.60/17,185.12 = 4,791.49/x
  3. Step 3: Cross multiply
    11,458.60x = 17,185.12 × 4,791.49
  4. Step 4: Simplify right side
    11,458.60x = 82,342,275.69
  5. Step 5: Solve for x
    x = 82,342,275.69/11,458.60
  6. Step 6: Final answer
    x = 7,186.07

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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.