Home / 9,920.28-14,880.48-3,346.53

Finding the Fourth Proportional to 9,920.28, 14,880.48 and 3,346.53

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Solution

The fourth proportional to 9,920.28, 14,880.48 and 3,346.53 is: 5,019.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920.28 : 14,880.48 = 3,346.53 : x
  2. Step 2: Convert to fraction form
    9,920.28/14,880.48 = 3,346.53/x
  3. Step 3: Cross multiply
    9,920.28x = 14,880.48 × 3,346.53
  4. Step 4: Simplify right side
    9,920.28x = 49,797,972.73
  5. Step 5: Solve for x
    x = 49,797,972.73/9,920.28
  6. Step 6: Final answer
    x = 5,019.82

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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.