Home / 7,419.74-11,130.68-2,226.02

Finding the Fourth Proportional to 7,419.74, 11,130.68 and 2,226.02

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Solution

The fourth proportional to 7,419.74, 11,130.68 and 2,226.02 is: 3,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.74 : 11,130.68 = 2,226.02 : x
  2. Step 2: Convert to fraction form
    7,419.74/11,130.68 = 2,226.02/x
  3. Step 3: Cross multiply
    7,419.74x = 11,130.68 × 2,226.02
  4. Step 4: Simplify right side
    7,419.74x = 24,777,066.21
  5. Step 5: Solve for x
    x = 24,777,066.21/7,419.74
  6. Step 6: Final answer
    x = 3,339.35

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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.