Home / 6,936.35-9,572.54-4,105.40

Finding the Fourth Proportional to 6,936.35, 9,572.54 and 4,105.40

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Solution

The fourth proportional to 6,936.35, 9,572.54 and 4,105.40 is: 5,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.35 : 9,572.54 = 4,105.40 : x
  2. Step 2: Convert to fraction form
    6,936.35/9,572.54 = 4,105.40/x
  3. Step 3: Cross multiply
    6,936.35x = 9,572.54 × 4,105.40
  4. Step 4: Simplify right side
    6,936.35x = 39,299,105.72
  5. Step 5: Solve for x
    x = 39,299,105.72/6,936.35
  6. Step 6: Final answer
    x = 5,665.68

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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.