Home / 7,724.84-11,589.42-3,339.32

Finding the Fourth Proportional to 7,724.84, 11,589.42 and 3,339.32

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Solution

The fourth proportional to 7,724.84, 11,589.42 and 3,339.32 is: 5,009.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.84 : 11,589.42 = 3,339.32 : x
  2. Step 2: Convert to fraction form
    7,724.84/11,589.42 = 3,339.32/x
  3. Step 3: Cross multiply
    7,724.84x = 11,589.42 × 3,339.32
  4. Step 4: Simplify right side
    7,724.84x = 38,700,781.99
  5. Step 5: Solve for x
    x = 38,700,781.99/7,724.84
  6. Step 6: Final answer
    x = 5,009.91

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1.5x scale

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.