Home / 8,468.12-12,701.70-2,625.20

Finding the Fourth Proportional to 8,468.12, 12,701.70 and 2,625.20

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Solution

The fourth proportional to 8,468.12, 12,701.70 and 2,625.20 is: 3,937.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.12 : 12,701.70 = 2,625.20 : x
  2. Step 2: Convert to fraction form
    8,468.12/12,701.70 = 2,625.20/x
  3. Step 3: Cross multiply
    8,468.12x = 12,701.70 × 2,625.20
  4. Step 4: Simplify right side
    8,468.12x = 33,344,502.84
  5. Step 5: Solve for x
    x = 33,344,502.84/8,468.12
  6. Step 6: Final answer
    x = 3,937.65

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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.