Home / 8,221.59-12,331.17-3,026.25

Finding the Fourth Proportional to 8,221.59, 12,331.17 and 3,026.25

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Solution

The fourth proportional to 8,221.59, 12,331.17 and 3,026.25 is: 4,538.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221.59 : 12,331.17 = 3,026.25 : x
  2. Step 2: Convert to fraction form
    8,221.59/12,331.17 = 3,026.25/x
  3. Step 3: Cross multiply
    8,221.59x = 12,331.17 × 3,026.25
  4. Step 4: Simplify right side
    8,221.59x = 37,317,203.21
  5. Step 5: Solve for x
    x = 37,317,203.21/8,221.59
  6. Step 6: Final answer
    x = 4,538.93

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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.