Home / 9,281.18-13,921.61-2,261.25

Finding the Fourth Proportional to 9,281.18, 13,921.61 and 2,261.25

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Solution

The fourth proportional to 9,281.18, 13,921.61 and 2,261.25 is: 3,391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281.18 : 13,921.61 = 2,261.25 : x
  2. Step 2: Convert to fraction form
    9,281.18/13,921.61 = 2,261.25/x
  3. Step 3: Cross multiply
    9,281.18x = 13,921.61 × 2,261.25
  4. Step 4: Simplify right side
    9,281.18x = 31,480,229.31
  5. Step 5: Solve for x
    x = 31,480,229.31/9,281.18
  6. Step 6: Final answer
    x = 3,391.83

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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.