Home / 8,149.08-12,223.45-2,602.36

Finding the Fourth Proportional to 8,149.08, 12,223.45 and 2,602.36

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Solution

The fourth proportional to 8,149.08, 12,223.45 and 2,602.36 is: 3,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.08 : 12,223.45 = 2,602.36 : x
  2. Step 2: Convert to fraction form
    8,149.08/12,223.45 = 2,602.36/x
  3. Step 3: Cross multiply
    8,149.08x = 12,223.45 × 2,602.36
  4. Step 4: Simplify right side
    8,149.08x = 31,809,817.34
  5. Step 5: Solve for x
    x = 31,809,817.34/8,149.08
  6. Step 6: Final answer
    x = 3,903.49

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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.