Home / 10,766.74-16,147.16-6,812.05

Finding the Fourth Proportional to 10,766.74, 16,147.16 and 6,812.05

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Solution

The fourth proportional to 10,766.74, 16,147.16 and 6,812.05 is: 10,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766.74 : 16,147.16 = 6,812.05 : x
  2. Step 2: Convert to fraction form
    10,766.74/16,147.16 = 6,812.05/x
  3. Step 3: Cross multiply
    10,766.74x = 16,147.16 × 6,812.05
  4. Step 4: Simplify right side
    10,766.74x = 109,995,261.28
  5. Step 5: Solve for x
    x = 109,995,261.28/10,766.74
  6. Step 6: Final answer
    x = 10,216.21

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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.