Home / 10,176.20-15,250.94-7,374.44

Finding the Fourth Proportional to 10,176.20, 15,250.94 and 7,374.44

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Solution

The fourth proportional to 10,176.20, 15,250.94 and 7,374.44 is: 11,051.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.20 : 15,250.94 = 7,374.44 : x
  2. Step 2: Convert to fraction form
    10,176.20/15,250.94 = 7,374.44/x
  3. Step 3: Cross multiply
    10,176.20x = 15,250.94 × 7,374.44
  4. Step 4: Simplify right side
    10,176.20x = 112,467,141.97
  5. Step 5: Solve for x
    x = 112,467,141.97/10,176.20
  6. Step 6: Final answer
    x = 11,051.98

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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.