Home / 11,812.43-16,300.04-6,777.07

Finding the Fourth Proportional to 11,812.43, 16,300.04 and 6,777.07

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Solution

The fourth proportional to 11,812.43, 16,300.04 and 6,777.07 is: 9,351.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.43 : 16,300.04 = 6,777.07 : x
  2. Step 2: Convert to fraction form
    11,812.43/16,300.04 = 6,777.07/x
  3. Step 3: Cross multiply
    11,812.43x = 16,300.04 × 6,777.07
  4. Step 4: Simplify right side
    11,812.43x = 110,466,437.45
  5. Step 5: Solve for x
    x = 110,466,437.45/11,812.43
  6. Step 6: Final answer
    x = 9,351.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.