Home / 6,937.21-10,406.84-2,006.21

Finding the Fourth Proportional to 6,937.21, 10,406.84 and 2,006.21

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Solution

The fourth proportional to 6,937.21, 10,406.84 and 2,006.21 is: 3,009.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,937.21 : 10,406.84 = 2,006.21 : x
  2. Step 2: Convert to fraction form
    6,937.21/10,406.84 = 2,006.21/x
  3. Step 3: Cross multiply
    6,937.21x = 10,406.84 × 2,006.21
  4. Step 4: Simplify right side
    6,937.21x = 20,878,306.48
  5. Step 5: Solve for x
    x = 20,878,306.48/6,937.21
  6. Step 6: Final answer
    x = 3,009.61

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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.