Home / 10,123.11-15,184.13-2,727.81

Finding the Fourth Proportional to 10,123.11, 15,184.13 and 2,727.81

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Solution

The fourth proportional to 10,123.11, 15,184.13 and 2,727.81 is: 4,091.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.11 : 15,184.13 = 2,727.81 : x
  2. Step 2: Convert to fraction form
    10,123.11/15,184.13 = 2,727.81/x
  3. Step 3: Cross multiply
    10,123.11x = 15,184.13 × 2,727.81
  4. Step 4: Simplify right side
    10,123.11x = 41,419,408.02
  5. Step 5: Solve for x
    x = 41,419,408.02/10,123.11
  6. Step 6: Final answer
    x = 4,091.57

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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.