Home / 10,950.21-15,110.37-6,474.15

Finding the Fourth Proportional to 10,950.21, 15,110.37 and 6,474.15

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Solution

The fourth proportional to 10,950.21, 15,110.37 and 6,474.15 is: 8,933.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.21 : 15,110.37 = 6,474.15 : x
  2. Step 2: Convert to fraction form
    10,950.21/15,110.37 = 6,474.15/x
  3. Step 3: Cross multiply
    10,950.21x = 15,110.37 × 6,474.15
  4. Step 4: Simplify right side
    10,950.21x = 97,826,801.94
  5. Step 5: Solve for x
    x = 97,826,801.94/10,950.21
  6. Step 6: Final answer
    x = 8,933.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.