Home / 7,045.12-9,722.46-4,249

Finding the Fourth Proportional to 7,045.12, 9,722.46 and 4,249

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Solution

The fourth proportional to 7,045.12, 9,722.46 and 4,249 is: 5,863.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.12 : 9,722.46 = 4,249 : x
  2. Step 2: Convert to fraction form
    7,045.12/9,722.46 = 4,249/x
  3. Step 3: Cross multiply
    7,045.12x = 9,722.46 × 4,249
  4. Step 4: Simplify right side
    7,045.12x = 41,310,732.54
  5. Step 5: Solve for x
    x = 41,310,732.54/7,045.12
  6. Step 6: Final answer
    x = 5,863.74

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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.