Home / 10,928.39-16,392.19-3,532.65

Finding the Fourth Proportional to 10,928.39, 16,392.19 and 3,532.65

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Solution

The fourth proportional to 10,928.39, 16,392.19 and 3,532.65 is: 5,298.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.39 : 16,392.19 = 3,532.65 : x
  2. Step 2: Convert to fraction form
    10,928.39/16,392.19 = 3,532.65/x
  3. Step 3: Cross multiply
    10,928.39x = 16,392.19 × 3,532.65
  4. Step 4: Simplify right side
    10,928.39x = 57,907,905.15
  5. Step 5: Solve for x
    x = 57,907,905.15/10,928.39
  6. Step 6: Final answer
    x = 5,298.85

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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.