Home / 10,302.39-15,455.88-3,282.80

Finding the Fourth Proportional to 10,302.39, 15,455.88 and 3,282.80

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Solution

The fourth proportional to 10,302.39, 15,455.88 and 3,282.80 is: 4,924.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.39 : 15,455.88 = 3,282.80 : x
  2. Step 2: Convert to fraction form
    10,302.39/15,455.88 = 3,282.80/x
  3. Step 3: Cross multiply
    10,302.39x = 15,455.88 × 3,282.80
  4. Step 4: Simplify right side
    10,302.39x = 50,738,485.58
  5. Step 5: Solve for x
    x = 50,738,485.58/10,302.39
  6. Step 6: Final answer
    x = 4,924.92

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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.