Home / 11,898.12-17,845.74-3,133.71

Finding the Fourth Proportional to 11,898.12, 17,845.74 and 3,133.71

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Solution

The fourth proportional to 11,898.12, 17,845.74 and 3,133.71 is: 4,700.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898.12 : 17,845.74 = 3,133.71 : x
  2. Step 2: Convert to fraction form
    11,898.12/17,845.74 = 3,133.71/x
  3. Step 3: Cross multiply
    11,898.12x = 17,845.74 × 3,133.71
  4. Step 4: Simplify right side
    11,898.12x = 55,923,373.90
  5. Step 5: Solve for x
    x = 55,923,373.90/11,898.12
  6. Step 6: Final answer
    x = 4,700.19

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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.