Home / 10,928.35-16,392.53-4,684.31

Finding the Fourth Proportional to 10,928.35, 16,392.53 and 4,684.31

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Solution

The fourth proportional to 10,928.35, 16,392.53 and 4,684.31 is: 7,026.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.35 : 16,392.53 = 4,684.31 : x
  2. Step 2: Convert to fraction form
    10,928.35/16,392.53 = 4,684.31/x
  3. Step 3: Cross multiply
    10,928.35x = 16,392.53 × 4,684.31
  4. Step 4: Simplify right side
    10,928.35x = 76,787,692.20
  5. Step 5: Solve for x
    x = 76,787,692.20/10,928.35
  6. Step 6: Final answer
    x = 7,026.47

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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.