Home / 8,043.12-12,066.24-3,426

Finding the Fourth Proportional to 8,043.12, 12,066.24 and 3,426

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Solution

The fourth proportional to 8,043.12, 12,066.24 and 3,426 is: 5,139.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,043.12 : 12,066.24 = 3,426 : x
  2. Step 2: Convert to fraction form
    8,043.12/12,066.24 = 3,426/x
  3. Step 3: Cross multiply
    8,043.12x = 12,066.24 × 3,426
  4. Step 4: Simplify right side
    8,043.12x = 41,338,938.24
  5. Step 5: Solve for x
    x = 41,338,938.24/8,043.12
  6. Step 6: Final answer
    x = 5,139.66

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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.