Home / 7,015.92-9,677.70-4,181.43

Finding the Fourth Proportional to 7,015.92, 9,677.70 and 4,181.43

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Solution

The fourth proportional to 7,015.92, 9,677.70 and 4,181.43 is: 5,767.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.92 : 9,677.70 = 4,181.43 : x
  2. Step 2: Convert to fraction form
    7,015.92/9,677.70 = 4,181.43/x
  3. Step 3: Cross multiply
    7,015.92x = 9,677.70 × 4,181.43
  4. Step 4: Simplify right side
    7,015.92x = 40,466,625.11
  5. Step 5: Solve for x
    x = 40,466,625.11/7,015.92
  6. Step 6: Final answer
    x = 5,767.83

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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.