Home / 11,756.43-17,698.79-10,723.07

Finding the Fourth Proportional to 11,756.43, 17,698.79 and 10,723.07

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Solution

The fourth proportional to 11,756.43, 17,698.79 and 10,723.07 is: 16,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.43 : 17,698.79 = 10,723.07 : x
  2. Step 2: Convert to fraction form
    11,756.43/17,698.79 = 10,723.07/x
  3. Step 3: Cross multiply
    11,756.43x = 17,698.79 × 10,723.07
  4. Step 4: Simplify right side
    11,756.43x = 189,785,354.72
  5. Step 5: Solve for x
    x = 189,785,354.72/11,756.43
  6. Step 6: Final answer
    x = 16,143.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.