Home / 7,412.18-11,122.37-3,032.71

Finding the Fourth Proportional to 7,412.18, 11,122.37 and 3,032.71

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Solution

The fourth proportional to 7,412.18, 11,122.37 and 3,032.71 is: 4,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.18 : 11,122.37 = 3,032.71 : x
  2. Step 2: Convert to fraction form
    7,412.18/11,122.37 = 3,032.71/x
  3. Step 3: Cross multiply
    7,412.18x = 11,122.37 × 3,032.71
  4. Step 4: Simplify right side
    7,412.18x = 33,730,879.75
  5. Step 5: Solve for x
    x = 33,730,879.75/7,412.18
  6. Step 6: Final answer
    x = 4,550.74

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