Home / 9,003.22-13,506.38-3,380.40

Finding the Fourth Proportional to 9,003.22, 13,506.38 and 3,380.40

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Solution

The fourth proportional to 9,003.22, 13,506.38 and 3,380.40 is: 5,071.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,003.22 : 13,506.38 = 3,380.40 : x
  2. Step 2: Convert to fraction form
    9,003.22/13,506.38 = 3,380.40/x
  3. Step 3: Cross multiply
    9,003.22x = 13,506.38 × 3,380.40
  4. Step 4: Simplify right side
    9,003.22x = 45,656,962.73
  5. Step 5: Solve for x
    x = 45,656,962.73/9,003.22
  6. Step 6: Final answer
    x = 5,071.18

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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.