Home / 8,212.59-12,317.67-3,017.25

Finding the Fourth Proportional to 8,212.59, 12,317.67 and 3,017.25

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Solution

The fourth proportional to 8,212.59, 12,317.67 and 3,017.25 is: 4,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.59 : 12,317.67 = 3,017.25 : x
  2. Step 2: Convert to fraction form
    8,212.59/12,317.67 = 3,017.25/x
  3. Step 3: Cross multiply
    8,212.59x = 12,317.67 × 3,017.25
  4. Step 4: Simplify right side
    8,212.59x = 37,165,489.81
  5. Step 5: Solve for x
    x = 37,165,489.81/8,212.59
  6. Step 6: Final answer
    x = 4,525.43

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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.