Home / 8,170.05-12,235.33-4,649.39

Finding the Fourth Proportional to 8,170.05, 12,235.33 and 4,649.39

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Solution

The fourth proportional to 8,170.05, 12,235.33 and 4,649.39 is: 6,962.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.05 : 12,235.33 = 4,649.39 : x
  2. Step 2: Convert to fraction form
    8,170.05/12,235.33 = 4,649.39/x
  3. Step 3: Cross multiply
    8,170.05x = 12,235.33 × 4,649.39
  4. Step 4: Simplify right side
    8,170.05x = 56,886,820.95
  5. Step 5: Solve for x
    x = 56,886,820.95/8,170.05
  6. Step 6: Final answer
    x = 6,962.85

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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.