Home / 9,921.46-14,881.88-3,347.09

Finding the Fourth Proportional to 9,921.46, 14,881.88 and 3,347.09

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Solution

The fourth proportional to 9,921.46, 14,881.88 and 3,347.09 is: 5,020.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921.46 : 14,881.88 = 3,347.09 : x
  2. Step 2: Convert to fraction form
    9,921.46/14,881.88 = 3,347.09/x
  3. Step 3: Cross multiply
    9,921.46x = 14,881.88 × 3,347.09
  4. Step 4: Simplify right side
    9,921.46x = 49,811,065.21
  5. Step 5: Solve for x
    x = 49,811,065.21/9,921.46
  6. Step 6: Final answer
    x = 5,020.54

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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.