Home / 8,378.24-12,567.37-2,534.86

Finding the Fourth Proportional to 8,378.24, 12,567.37 and 2,534.86

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Solution

The fourth proportional to 8,378.24, 12,567.37 and 2,534.86 is: 3,802.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378.24 : 12,567.37 = 2,534.86 : x
  2. Step 2: Convert to fraction form
    8,378.24/12,567.37 = 2,534.86/x
  3. Step 3: Cross multiply
    8,378.24x = 12,567.37 × 2,534.86
  4. Step 4: Simplify right side
    8,378.24x = 31,856,523.52
  5. Step 5: Solve for x
    x = 31,856,523.52/8,378.24
  6. Step 6: Final answer
    x = 3,802.29

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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.