Home / 10,770.05-16,148.46-4,188.57

Finding the Fourth Proportional to 10,770.05, 16,148.46 and 4,188.57

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Solution

The fourth proportional to 10,770.05, 16,148.46 and 4,188.57 is: 6,280.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,770.05 : 16,148.46 = 4,188.57 : x
  2. Step 2: Convert to fraction form
    10,770.05/16,148.46 = 4,188.57/x
  3. Step 3: Cross multiply
    10,770.05x = 16,148.46 × 4,188.57
  4. Step 4: Simplify right side
    10,770.05x = 67,638,874.36
  5. Step 5: Solve for x
    x = 67,638,874.36/10,770.05
  6. Step 6: Final answer
    x = 6,280.27

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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.