Home / 10,134.01-15,183.55-9,106.81

Finding the Fourth Proportional to 10,134.01, 15,183.55 and 9,106.81

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Solution

The fourth proportional to 10,134.01, 15,183.55 and 9,106.81 is: 13,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.01 : 15,183.55 = 9,106.81 : x
  2. Step 2: Convert to fraction form
    10,134.01/15,183.55 = 9,106.81/x
  3. Step 3: Cross multiply
    10,134.01x = 15,183.55 × 9,106.81
  4. Step 4: Simplify right side
    10,134.01x = 138,273,704.98
  5. Step 5: Solve for x
    x = 138,273,704.98/10,134.01
  6. Step 6: Final answer
    x = 13,644.52

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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.