Home / 8,314.51-12,455.36-6,236.86

Finding the Fourth Proportional to 8,314.51, 12,455.36 and 6,236.86

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Solution

The fourth proportional to 8,314.51, 12,455.36 and 6,236.86 is: 9,342.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314.51 : 12,455.36 = 6,236.86 : x
  2. Step 2: Convert to fraction form
    8,314.51/12,455.36 = 6,236.86/x
  3. Step 3: Cross multiply
    8,314.51x = 12,455.36 × 6,236.86
  4. Step 4: Simplify right side
    8,314.51x = 77,682,336.57
  5. Step 5: Solve for x
    x = 77,682,336.57/8,314.51
  6. Step 6: Final answer
    x = 9,342.98

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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.