Home / 7,424.48-11,138.02-2,494.60

Finding the Fourth Proportional to 7,424.48, 11,138.02 and 2,494.60

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Solution

The fourth proportional to 7,424.48, 11,138.02 and 2,494.60 is: 3,742.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.48 : 11,138.02 = 2,494.60 : x
  2. Step 2: Convert to fraction form
    7,424.48/11,138.02 = 2,494.60/x
  3. Step 3: Cross multiply
    7,424.48x = 11,138.02 × 2,494.60
  4. Step 4: Simplify right side
    7,424.48x = 27,784,904.69
  5. Step 5: Solve for x
    x = 27,784,904.69/7,424.48
  6. Step 6: Final answer
    x = 3,742.34

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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.