Home / 9,279.49-13,919.80-3,732.82

Finding the Fourth Proportional to 9,279.49, 13,919.80 and 3,732.82

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Solution

The fourth proportional to 9,279.49, 13,919.80 and 3,732.82 is: 5,599.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.49 : 13,919.80 = 3,732.82 : x
  2. Step 2: Convert to fraction form
    9,279.49/13,919.80 = 3,732.82/x
  3. Step 3: Cross multiply
    9,279.49x = 13,919.80 × 3,732.82
  4. Step 4: Simplify right side
    9,279.49x = 51,960,129.43
  5. Step 5: Solve for x
    x = 51,960,129.43/9,279.49
  6. Step 6: Final answer
    x = 5,599.46

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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.