Home / 10,556.20-15,834.30-6,677.80

Finding the Fourth Proportional to 10,556.20, 15,834.30 and 6,677.80

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Solution

The fourth proportional to 10,556.20, 15,834.30 and 6,677.80 is: 10,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.20 : 15,834.30 = 6,677.80 : x
  2. Step 2: Convert to fraction form
    10,556.20/15,834.30 = 6,677.80/x
  3. Step 3: Cross multiply
    10,556.20x = 15,834.30 × 6,677.80
  4. Step 4: Simplify right side
    10,556.20x = 105,738,288.54
  5. Step 5: Solve for x
    x = 105,738,288.54/10,556.20
  6. Step 6: Final answer
    x = 10,016.70

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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.