Home / 11,448.49-17,178.92-4,785.57

Finding the Fourth Proportional to 11,448.49, 17,178.92 and 4,785.57

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Solution

The fourth proportional to 11,448.49, 17,178.92 and 4,785.57 is: 7,180.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,448.49 : 17,178.92 = 4,785.57 : x
  2. Step 2: Convert to fraction form
    11,448.49/17,178.92 = 4,785.57/x
  3. Step 3: Cross multiply
    11,448.49x = 17,178.92 × 4,785.57
  4. Step 4: Simplify right side
    11,448.49x = 82,210,914.23
  5. Step 5: Solve for x
    x = 82,210,914.23/11,448.49
  6. Step 6: Final answer
    x = 7,180.94

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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.