Home / 7,926.85-11,885.41-3,761.22

Finding the Fourth Proportional to 7,926.85, 11,885.41 and 3,761.22

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Solution

The fourth proportional to 7,926.85, 11,885.41 and 3,761.22 is: 5,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.85 : 11,885.41 = 3,761.22 : x
  2. Step 2: Convert to fraction form
    7,926.85/11,885.41 = 3,761.22/x
  3. Step 3: Cross multiply
    7,926.85x = 11,885.41 × 3,761.22
  4. Step 4: Simplify right side
    7,926.85x = 44,703,641.80
  5. Step 5: Solve for x
    x = 44,703,641.80/7,926.85
  6. Step 6: Final answer
    x = 5,639.52

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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.