Home / 8,468.39-12,700.33-3,200.02

Finding the Fourth Proportional to 8,468.39, 12,700.33 and 3,200.02

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Solution

The fourth proportional to 8,468.39, 12,700.33 and 3,200.02 is: 4,799.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.39 : 12,700.33 = 3,200.02 : x
  2. Step 2: Convert to fraction form
    8,468.39/12,700.33 = 3,200.02/x
  3. Step 3: Cross multiply
    8,468.39x = 12,700.33 × 3,200.02
  4. Step 4: Simplify right side
    8,468.39x = 40,641,270.26
  5. Step 5: Solve for x
    x = 40,641,270.26/8,468.39
  6. Step 6: Final answer
    x = 4,799.17

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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.