Home / 10,770.35-16,148.91-4,188.86

Finding the Fourth Proportional to 10,770.35, 16,148.91 and 4,188.86

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Solution

The fourth proportional to 10,770.35, 16,148.91 and 4,188.86 is: 6,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,770.35 : 16,148.91 = 4,188.86 : x
  2. Step 2: Convert to fraction form
    10,770.35/16,148.91 = 4,188.86/x
  3. Step 3: Cross multiply
    10,770.35x = 16,148.91 × 4,188.86
  4. Step 4: Simplify right side
    10,770.35x = 67,645,502.20
  5. Step 5: Solve for x
    x = 67,645,502.20/10,770.35
  6. Step 6: Final answer
    x = 6,280.72

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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.