Home / 10,932.85-16,405.35-6,775.12

Finding the Fourth Proportional to 10,932.85, 16,405.35 and 6,775.12

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Solution

The fourth proportional to 10,932.85, 16,405.35 and 6,775.12 is: 10,166.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.85 : 16,405.35 = 6,775.12 : x
  2. Step 2: Convert to fraction form
    10,932.85/16,405.35 = 6,775.12/x
  3. Step 3: Cross multiply
    10,932.85x = 16,405.35 × 6,775.12
  4. Step 4: Simplify right side
    10,932.85x = 111,148,214.89
  5. Step 5: Solve for x
    x = 111,148,214.89/10,932.85
  6. Step 6: Final answer
    x = 10,166.44

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1.5x scale

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.