Home / 8,951.87-13,426.76-2,378.58

Finding the Fourth Proportional to 8,951.87, 13,426.76 and 2,378.58

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Solution

The fourth proportional to 8,951.87, 13,426.76 and 2,378.58 is: 3,567.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.87 : 13,426.76 = 2,378.58 : x
  2. Step 2: Convert to fraction form
    8,951.87/13,426.76 = 2,378.58/x
  3. Step 3: Cross multiply
    8,951.87x = 13,426.76 × 2,378.58
  4. Step 4: Simplify right side
    8,951.87x = 31,936,610.91
  5. Step 5: Solve for x
    x = 31,936,610.91/8,951.87
  6. Step 6: Final answer
    x = 3,567.59

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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.