Home / 8,951.07-13,426.63-3,107.70

Finding the Fourth Proportional to 8,951.07, 13,426.63 and 3,107.70

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Solution

The fourth proportional to 8,951.07, 13,426.63 and 3,107.70 is: 4,661.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.07 : 13,426.63 = 3,107.70 : x
  2. Step 2: Convert to fraction form
    8,951.07/13,426.63 = 3,107.70/x
  3. Step 3: Cross multiply
    8,951.07x = 13,426.63 × 3,107.70
  4. Step 4: Simplify right side
    8,951.07x = 41,725,930.28
  5. Step 5: Solve for x
    x = 41,725,930.28/8,951.07
  6. Step 6: Final answer
    x = 4,661.56

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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.