Home / 8,009.21-12,008.63-3,332.43

Finding the Fourth Proportional to 8,009.21, 12,008.63 and 3,332.43

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Solution

The fourth proportional to 8,009.21, 12,008.63 and 3,332.43 is: 4,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009.21 : 12,008.63 = 3,332.43 : x
  2. Step 2: Convert to fraction form
    8,009.21/12,008.63 = 3,332.43/x
  3. Step 3: Cross multiply
    8,009.21x = 12,008.63 × 3,332.43
  4. Step 4: Simplify right side
    8,009.21x = 40,017,902.21
  5. Step 5: Solve for x
    x = 40,017,902.21/8,009.21
  6. Step 6: Final answer
    x = 4,996.49

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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.