Home / 12,113.98-18,169.57-3,349.58

Finding the Fourth Proportional to 12,113.98, 18,169.57 and 3,349.58

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Solution

The fourth proportional to 12,113.98, 18,169.57 and 3,349.58 is: 5,023.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.98 : 18,169.57 = 3,349.58 : x
  2. Step 2: Convert to fraction form
    12,113.98/18,169.57 = 3,349.58/x
  3. Step 3: Cross multiply
    12,113.98x = 18,169.57 × 3,349.58
  4. Step 4: Simplify right side
    12,113.98x = 60,860,373.88
  5. Step 5: Solve for x
    x = 60,860,373.88/12,113.98
  6. Step 6: Final answer
    x = 5,023.98

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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.