Home / 9,921.93-14,885.10-3,347.97

Finding the Fourth Proportional to 9,921.93, 14,885.10 and 3,347.97

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Solution

The fourth proportional to 9,921.93, 14,885.10 and 3,347.97 is: 5,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,921.93 : 14,885.10 = 3,347.97 : x
  2. Step 2: Convert to fraction form
    9,921.93/14,885.10 = 3,347.97/x
  3. Step 3: Cross multiply
    9,921.93x = 14,885.10 × 3,347.97
  4. Step 4: Simplify right side
    9,921.93x = 49,834,868.25
  5. Step 5: Solve for x
    x = 49,834,868.25/9,921.93
  6. Step 6: Final answer
    x = 5,022.70

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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.