Home / 10,927.80-16,383.60-4,682.70

Finding the Fourth Proportional to 10,927.80, 16,383.60 and 4,682.70

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Solution

The fourth proportional to 10,927.80, 16,383.60 and 4,682.70 is: 7,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.80 : 16,383.60 = 4,682.70 : x
  2. Step 2: Convert to fraction form
    10,927.80/16,383.60 = 4,682.70/x
  3. Step 3: Cross multiply
    10,927.80x = 16,383.60 × 4,682.70
  4. Step 4: Simplify right side
    10,927.80x = 76,719,483.72
  5. Step 5: Solve for x
    x = 76,719,483.72/10,927.80
  6. Step 6: Final answer
    x = 7,020.58

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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.