Home / 11,639.09-17,458.94-4,249.06

Finding the Fourth Proportional to 11,639.09, 17,458.94 and 4,249.06

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Solution

The fourth proportional to 11,639.09, 17,458.94 and 4,249.06 is: 6,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.09 : 17,458.94 = 4,249.06 : x
  2. Step 2: Convert to fraction form
    11,639.09/17,458.94 = 4,249.06/x
  3. Step 3: Cross multiply
    11,639.09x = 17,458.94 × 4,249.06
  4. Step 4: Simplify right side
    11,639.09x = 74,184,050.57
  5. Step 5: Solve for x
    x = 74,184,050.57/11,639.09
  6. Step 6: Final answer
    x = 6,373.70

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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.