Home / 7,724.11-10,673.18-6,164.59

Finding the Fourth Proportional to 7,724.11, 10,673.18 and 6,164.59

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Solution

The fourth proportional to 7,724.11, 10,673.18 and 6,164.59 is: 8,518.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.11 : 10,673.18 = 6,164.59 : x
  2. Step 2: Convert to fraction form
    7,724.11/10,673.18 = 6,164.59/x
  3. Step 3: Cross multiply
    7,724.11x = 10,673.18 × 6,164.59
  4. Step 4: Simplify right side
    7,724.11x = 65,795,778.70
  5. Step 5: Solve for x
    x = 65,795,778.70/7,724.11
  6. Step 6: Final answer
    x = 8,518.23

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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.