Home / 8,308.08-12,461.96-2,151.92

Finding the Fourth Proportional to 8,308.08, 12,461.96 and 2,151.92

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Solution

The fourth proportional to 8,308.08, 12,461.96 and 2,151.92 is: 3,227.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.08 : 12,461.96 = 2,151.92 : x
  2. Step 2: Convert to fraction form
    8,308.08/12,461.96 = 2,151.92/x
  3. Step 3: Cross multiply
    8,308.08x = 12,461.96 × 2,151.92
  4. Step 4: Simplify right side
    8,308.08x = 26,817,140.96
  5. Step 5: Solve for x
    x = 26,817,140.96/8,308.08
  6. Step 6: Final answer
    x = 3,227.84

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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.