Home / 7,844.07-11,745.05-4,138.59

Finding the Fourth Proportional to 7,844.07, 11,745.05 and 4,138.59

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Solution

The fourth proportional to 7,844.07, 11,745.05 and 4,138.59 is: 6,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.07 : 11,745.05 = 4,138.59 : x
  2. Step 2: Convert to fraction form
    7,844.07/11,745.05 = 4,138.59/x
  3. Step 3: Cross multiply
    7,844.07x = 11,745.05 × 4,138.59
  4. Step 4: Simplify right side
    7,844.07x = 48,607,925.79
  5. Step 5: Solve for x
    x = 48,607,925.79/7,844.07
  6. Step 6: Final answer
    x = 6,196.77

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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.