Home / 7,929.99-11,892.56-6,808.41

Finding the Fourth Proportional to 7,929.99, 11,892.56 and 6,808.41

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Solution

The fourth proportional to 7,929.99, 11,892.56 and 6,808.41 is: 10,210.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.99 : 11,892.56 = 6,808.41 : x
  2. Step 2: Convert to fraction form
    7,929.99/11,892.56 = 6,808.41/x
  3. Step 3: Cross multiply
    7,929.99x = 11,892.56 × 6,808.41
  4. Step 4: Simplify right side
    7,929.99x = 80,969,390.39
  5. Step 5: Solve for x
    x = 80,969,390.39/7,929.99
  6. Step 6: Final answer
    x = 10,210.53

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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.