Home / 8,238.05-11,369.32-4,701.79

Finding the Fourth Proportional to 8,238.05, 11,369.32 and 4,701.79

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Solution

The fourth proportional to 8,238.05, 11,369.32 and 4,701.79 is: 6,488.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.05 : 11,369.32 = 4,701.79 : x
  2. Step 2: Convert to fraction form
    8,238.05/11,369.32 = 4,701.79/x
  3. Step 3: Cross multiply
    8,238.05x = 11,369.32 × 4,701.79
  4. Step 4: Simplify right side
    8,238.05x = 53,456,155.08
  5. Step 5: Solve for x
    x = 53,456,155.08/8,238.05
  6. Step 6: Final answer
    x = 6,488.93

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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.