Home / 7,850.70-11,766.15-4,154.58

Finding the Fourth Proportional to 7,850.70, 11,766.15 and 4,154.58

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Solution

The fourth proportional to 7,850.70, 11,766.15 and 4,154.58 is: 6,226.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.70 : 11,766.15 = 4,154.58 : x
  2. Step 2: Convert to fraction form
    7,850.70/11,766.15 = 4,154.58/x
  3. Step 3: Cross multiply
    7,850.70x = 11,766.15 × 4,154.58
  4. Step 4: Simplify right side
    7,850.70x = 48,883,411.47
  5. Step 5: Solve for x
    x = 48,883,411.47/7,850.70
  6. Step 6: Final answer
    x = 6,226.63

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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.