Home / 8,951.86-13,426.75-2,378.57

Finding the Fourth Proportional to 8,951.86, 13,426.75 and 2,378.57

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Solution

The fourth proportional to 8,951.86, 13,426.75 and 2,378.57 is: 3,567.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.86 : 13,426.75 = 2,378.57 : x
  2. Step 2: Convert to fraction form
    8,951.86/13,426.75 = 2,378.57/x
  3. Step 3: Cross multiply
    8,951.86x = 13,426.75 × 2,378.57
  4. Step 4: Simplify right side
    8,951.86x = 31,936,464.75
  5. Step 5: Solve for x
    x = 31,936,464.75/8,951.86
  6. Step 6: Final answer
    x = 3,567.58

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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.