Home / 7,179.17-9,909.20-4,661.13

Finding the Fourth Proportional to 7,179.17, 9,909.20 and 4,661.13

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Solution

The fourth proportional to 7,179.17, 9,909.20 and 4,661.13 is: 6,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.17 : 9,909.20 = 4,661.13 : x
  2. Step 2: Convert to fraction form
    7,179.17/9,909.20 = 4,661.13/x
  3. Step 3: Cross multiply
    7,179.17x = 9,909.20 × 4,661.13
  4. Step 4: Simplify right side
    7,179.17x = 46,188,046.09
  5. Step 5: Solve for x
    x = 46,188,046.09/7,179.17
  6. Step 6: Final answer
    x = 6,433.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.