Home / 10,167.80-15,252.39-3,148.43

Finding the Fourth Proportional to 10,167.80, 15,252.39 and 3,148.43

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Solution

The fourth proportional to 10,167.80, 15,252.39 and 3,148.43 is: 4,722.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.80 : 15,252.39 = 3,148.43 : x
  2. Step 2: Convert to fraction form
    10,167.80/15,252.39 = 3,148.43/x
  3. Step 3: Cross multiply
    10,167.80x = 15,252.39 × 3,148.43
  4. Step 4: Simplify right side
    10,167.80x = 48,021,005.99
  5. Step 5: Solve for x
    x = 48,021,005.99/10,167.80
  6. Step 6: Final answer
    x = 4,722.85

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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.