Home / 7,390.13-11,083.82-3,174.13

Finding the Fourth Proportional to 7,390.13, 11,083.82 and 3,174.13

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Solution

The fourth proportional to 7,390.13, 11,083.82 and 3,174.13 is: 4,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.13 : 11,083.82 = 3,174.13 : x
  2. Step 2: Convert to fraction form
    7,390.13/11,083.82 = 3,174.13/x
  3. Step 3: Cross multiply
    7,390.13x = 11,083.82 × 3,174.13
  4. Step 4: Simplify right side
    7,390.13x = 35,181,442.00
  5. Step 5: Solve for x
    x = 35,181,442.00/7,390.13
  6. Step 6: Final answer
    x = 4,760.60

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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.